19925880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 65862720

約数和(自身を除く): 45936840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 241, 260, 265, 312, 318, 390, 424, 482, 520, 530, 636, 689, 723, 780, 795, 964, 1060, 1205, 1272, 1378, 1446, 1560, 1590, 1928, 2067, 2120, 2410, 2756, 2892, 3133, 3180, 3445, 3615, 4134, 4820, 5512, 5784, 6266, 6360, 6890, 7230, 8268, 9399, 9640, 10335, 12532, 12773, 13780, 14460, 15665, 16536, 18798, 20670, 25064, 25546, 27560, 28920, 31330, 37596, 38319, 41340, 46995, 51092, 62660, 63865, 75192, 76638, 82680, 93990, 102184, 125320, 127730, 153276, 166049, 187980, 191595, 255460, 306552, 332098, 375960, 383190, 498147, 510920, 664196, 766380, 830245, 996294, 1328392, 1532760, 1660490, 1992588, 2490735, 3320980, 3985176, 4981470, 6641960, 9962940, 19925880]

約数ペア:

[(1, 19925880), (2, 9962940), (3, 6641960), (4, 4981470), (5, 3985176), (6, 3320980), (8, 2490735), (10, 1992588), (12, 1660490), (13, 1532760), (15, 1328392), (20, 996294), (24, 830245), (26, 766380), (30, 664196), (39, 510920), (40, 498147), (52, 383190), (53, 375960), (60, 332098), (65, 306552), (78, 255460), (104, 191595), (106, 187980), (120, 166049), (130, 153276), (156, 127730), (159, 125320), (195, 102184), (212, 93990), (241, 82680), (260, 76638), (265, 75192), (312, 63865), (318, 62660), (390, 51092), (424, 46995), (482, 41340), (520, 38319), (530, 37596), (636, 31330), (689, 28920), (723, 27560), (780, 25546), (795, 25064), (964, 20670), (1060, 18798), (1205, 16536), (1272, 15665), (1378, 14460), (1446, 13780), (1560, 12773), (1590, 12532), (1928, 10335), (2067, 9640), (2120, 9399), (2410, 8268), (2756, 7230), (2892, 6890), (3133, 6360), (3180, 6266), (3445, 5784), (3615, 5512), (4134, 4820)]