19695375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 42247296

約数和(自身を除く): 22551921

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 41, 45, 61, 63, 75, 105, 123, 125, 175, 183, 205, 225, 287, 305, 315, 369, 375, 427, 525, 549, 615, 861, 875, 915, 1025, 1125, 1281, 1435, 1525, 1575, 1845, 2135, 2501, 2583, 2625, 2745, 3075, 3843, 4305, 4575, 5125, 6405, 7175, 7503, 7625, 7875, 9225, 10675, 12505, 12915, 13725, 15375, 17507, 19215, 21525, 22509, 22875, 32025, 35875, 37515, 46125, 52521, 53375, 62525, 64575, 68625, 87535, 96075, 107625, 112545, 157563, 160125, 187575, 262605, 312625, 322875, 437675, 480375, 562725, 787815, 937875, 1313025, 2188375, 2813625, 3939075, 6565125, 19695375]

約数ペア:

[(1, 19695375), (3, 6565125), (5, 3939075), (7, 2813625), (9, 2188375), (15, 1313025), (21, 937875), (25, 787815), (35, 562725), (41, 480375), (45, 437675), (61, 322875), (63, 312625), (75, 262605), (105, 187575), (123, 160125), (125, 157563), (175, 112545), (183, 107625), (205, 96075), (225, 87535), (287, 68625), (305, 64575), (315, 62525), (369, 53375), (375, 52521), (427, 46125), (525, 37515), (549, 35875), (615, 32025), (861, 22875), (875, 22509), (915, 21525), (1025, 19215), (1125, 17507), (1281, 15375), (1435, 13725), (1525, 12915), (1575, 12505), (1845, 10675), (2135, 9225), (2501, 7875), (2583, 7625), (2625, 7503), (2745, 7175), (3075, 6405), (3843, 5125), (4305, 4575)]