19636640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 30005344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 107, 124, 148, 155, 160, 185, 214, 248, 296, 310, 370, 428, 496, 535, 592, 620, 740, 856, 992, 1070, 1147, 1184, 1240, 1480, 1712, 2140, 2294, 2480, 2960, 3317, 3424, 3959, 4280, 4588, 4960, 5735, 5920, 6634, 7918, 8560, 9176, 11470, 13268, 15836, 16585, 17120, 18352, 19795, 22940, 26536, 31672, 33170, 36704, 39590, 45880, 53072, 63344, 66340, 79180, 91760, 106144, 122729, 126688, 132680, 158360, 183520, 245458, 265360, 316720, 490916, 530720, 613645, 633440, 981832, 1227290, 1963664, 2454580, 3927328, 4909160, 9818320, 19636640]

約数ペア:

[(1, 19636640), (2, 9818320), (4, 4909160), (5, 3927328), (8, 2454580), (10, 1963664), (16, 1227290), (20, 981832), (31, 633440), (32, 613645), (37, 530720), (40, 490916), (62, 316720), (74, 265360), (80, 245458), (107, 183520), (124, 158360), (148, 132680), (155, 126688), (160, 122729), (185, 106144), (214, 91760), (248, 79180), (296, 66340), (310, 63344), (370, 53072), (428, 45880), (496, 39590), (535, 36704), (592, 33170), (620, 31672), (740, 26536), (856, 22940), (992, 19795), (1070, 18352), (1147, 17120), (1184, 16585), (1240, 15836), (1480, 13268), (1712, 11470), (2140, 9176), (2294, 8560), (2480, 7918), (2960, 6634), (3317, 5920), (3424, 5735), (3959, 4960), (4280, 4588)]