19741920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3739}}^1$

素因数の和:3768

約数の個数: 96

約数和(自身を含む): 67858560

約数和(自身を除く): 48116640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 3739, 5280, 7478, 11217, 14956, 18695, 22434, 29912, 37390, 41129, 44868, 56085, 59824, 74780, 82258, 89736, 112170, 119648, 123387, 149560, 164516, 179472, 205645, 224340, 246774, 299120, 329032, 358944, 411290, 448680, 493548, 598240, 616935, 658064, 822580, 897360, 987096, 1233870, 1316128, 1645160, 1794720, 1974192, 2467740, 3290320, 3948384, 4935480, 6580640, 9870960, 19741920]

約数ペア:

[(1, 19741920), (2, 9870960), (3, 6580640), (4, 4935480), (5, 3948384), (6, 3290320), (8, 2467740), (10, 1974192), (11, 1794720), (12, 1645160), (15, 1316128), (16, 1233870), (20, 987096), (22, 897360), (24, 822580), (30, 658064), (32, 616935), (33, 598240), (40, 493548), (44, 448680), (48, 411290), (55, 358944), (60, 329032), (66, 299120), (80, 246774), (88, 224340), (96, 205645), (110, 179472), (120, 164516), (132, 149560), (160, 123387), (165, 119648), (176, 112170), (220, 89736), (240, 82258), (264, 74780), (330, 59824), (352, 56085), (440, 44868), (480, 41129), (528, 37390), (660, 29912), (880, 22434), (1056, 18695), (1320, 14956), (1760, 11217), (2640, 7478), (3739, 5280)]