19793475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 39132912

約数和(自身を除く): 19339437

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 67, 75, 101, 117, 195, 201, 225, 303, 325, 335, 505, 585, 603, 871, 909, 975, 1005, 1313, 1515, 1675, 2525, 2613, 2925, 3015, 3939, 4355, 4545, 5025, 6565, 6767, 7575, 7839, 11817, 13065, 15075, 19695, 20301, 21775, 22725, 32825, 33835, 39195, 59085, 60903, 65325, 87971, 98475, 101505, 169175, 195975, 263913, 295425, 304515, 439855, 507525, 791739, 1319565, 1522575, 2199275, 3958695, 6597825, 19793475]

約数ペア:

[(1, 19793475), (3, 6597825), (5, 3958695), (9, 2199275), (13, 1522575), (15, 1319565), (25, 791739), (39, 507525), (45, 439855), (65, 304515), (67, 295425), (75, 263913), (101, 195975), (117, 169175), (195, 101505), (201, 98475), (225, 87971), (303, 65325), (325, 60903), (335, 59085), (505, 39195), (585, 33835), (603, 32825), (871, 22725), (909, 21775), (975, 20301), (1005, 19695), (1313, 15075), (1515, 13065), (1675, 11817), (2525, 7839), (2613, 7575), (2925, 6767), (3015, 6565), (3939, 5025), (4355, 4545)]