19559650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 41411412

約数和(自身を除く): 21851762

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 61, 106, 110, 121, 122, 242, 265, 275, 305, 530, 550, 583, 605, 610, 671, 1166, 1210, 1325, 1342, 1525, 2650, 2915, 3025, 3050, 3233, 3355, 5830, 6050, 6413, 6466, 6710, 7381, 12826, 14575, 14762, 16165, 16775, 29150, 32065, 32330, 33550, 35563, 36905, 64130, 71126, 73810, 80825, 160325, 161650, 177815, 184525, 320650, 355630, 369050, 391193, 782386, 889075, 1778150, 1955965, 3911930, 9779825, 19559650]

約数ペア:

[(1, 19559650), (2, 9779825), (5, 3911930), (10, 1955965), (11, 1778150), (22, 889075), (25, 782386), (50, 391193), (53, 369050), (55, 355630), (61, 320650), (106, 184525), (110, 177815), (121, 161650), (122, 160325), (242, 80825), (265, 73810), (275, 71126), (305, 64130), (530, 36905), (550, 35563), (583, 33550), (605, 32330), (610, 32065), (671, 29150), (1166, 16775), (1210, 16165), (1325, 14762), (1342, 14575), (1525, 12826), (2650, 7381), (2915, 6710), (3025, 6466), (3050, 6413), (3233, 6050), (3355, 5830)]