19813776

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 53323968

約数和(自身を除く): 33510192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 67, 101, 122, 134, 183, 201, 202, 244, 268, 303, 366, 402, 404, 488, 536, 606, 732, 804, 808, 976, 1072, 1212, 1464, 1608, 1616, 2424, 2928, 3216, 4087, 4848, 6161, 6767, 8174, 12261, 12322, 13534, 16348, 18483, 20301, 24522, 24644, 27068, 32696, 36966, 40602, 49044, 49288, 54136, 65392, 73932, 81204, 98088, 98576, 108272, 147864, 162408, 196176, 295728, 324816, 412787, 825574, 1238361, 1651148, 2476722, 3302296, 4953444, 6604592, 9906888, 19813776]

約数ペア:

[(1, 19813776), (2, 9906888), (3, 6604592), (4, 4953444), (6, 3302296), (8, 2476722), (12, 1651148), (16, 1238361), (24, 825574), (48, 412787), (61, 324816), (67, 295728), (101, 196176), (122, 162408), (134, 147864), (183, 108272), (201, 98576), (202, 98088), (244, 81204), (268, 73932), (303, 65392), (366, 54136), (402, 49288), (404, 49044), (488, 40602), (536, 36966), (606, 32696), (732, 27068), (804, 24644), (808, 24522), (976, 20301), (1072, 18483), (1212, 16348), (1464, 13534), (1608, 12322), (1616, 12261), (2424, 8174), (2928, 6767), (3216, 6161), (4087, 4848)]