19821220380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{498271}}^1$

素因数の和:498316

約数の個数: 144

約数和(自身を含む): 68558241024

約数和(自身を除く): 48737020644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 39780, 498271, 996542, 1494813, 1993084, 2491355, 2989626, 4484439, 4982710, 5979252, 6477523, 7474065, 8470607, 8968878, 9965420, 12955046, 14948130, 16941214, 17937756, 19432569, 22422195, 25411821, 25910092, 29896260, 32387615, 33882428, 38865138, 42353035, 44844390, 50823642, 58297707, 64775230, 76235463, 77730276, 84706070, 89688780, 97162845, 101647284, 110117891, 116595414, 127059105, 129550460, 152470926, 169412140, 194325690, 220235782, 233190828, 254118210, 291488535, 304941852, 330353673, 381177315, 388651380, 440471564, 508236420, 550589455, 582977070, 660707346, 762354630, 991061019, 1101178910, 1165954140, 1321414692, 1524709260, 1651768365, 1982122038, 2202357820, 3303536730, 3964244076, 4955305095, 6607073460, 9910610190, 19821220380]

約数ペア:

[(1, 19821220380), (2, 9910610190), (3, 6607073460), (4, 4955305095), (5, 3964244076), (6, 3303536730), (9, 2202357820), (10, 1982122038), (12, 1651768365), (13, 1524709260), (15, 1321414692), (17, 1165954140), (18, 1101178910), (20, 991061019), (26, 762354630), (30, 660707346), (34, 582977070), (36, 550589455), (39, 508236420), (45, 440471564), (51, 388651380), (52, 381177315), (60, 330353673), (65, 304941852), (68, 291488535), (78, 254118210), (85, 233190828), (90, 220235782), (102, 194325690), (117, 169412140), (130, 152470926), (153, 129550460), (156, 127059105), (170, 116595414), (180, 110117891), (195, 101647284), (204, 97162845), (221, 89688780), (234, 84706070), (255, 77730276), (260, 76235463), (306, 64775230), (340, 58297707), (390, 50823642), (442, 44844390), (468, 42353035), (510, 38865138), (585, 33882428), (612, 32387615), (663, 29896260), (765, 25910092), (780, 25411821), (884, 22422195), (1020, 19432569), (1105, 17937756), (1170, 16941214), (1326, 14948130), (1530, 12955046), (1989, 9965420), (2210, 8968878), (2340, 8470607), (2652, 7474065), (3060, 6477523), (3315, 5979252), (3978, 4982710), (4420, 4484439), (6630, 2989626), (7956, 2491355), (9945, 1993084), (13260, 1494813), (19890, 996542), (39780, 498271)]