19577025

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 40830720

約数和(自身を除く): 21253695

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 27, 39, 45, 65, 69, 75, 97, 115, 117, 135, 195, 207, 225, 291, 299, 325, 345, 351, 485, 575, 585, 621, 675, 873, 897, 975, 1035, 1261, 1455, 1495, 1725, 1755, 2231, 2425, 2619, 2691, 2925, 3105, 3783, 4365, 4485, 5175, 6305, 6693, 7275, 7475, 8073, 8775, 11155, 11349, 13095, 13455, 15525, 18915, 20079, 21825, 22425, 29003, 31525, 33465, 34047, 40365, 55775, 56745, 60237, 65475, 67275, 87009, 94575, 100395, 145015, 167325, 170235, 201825, 261027, 283725, 301185, 435045, 501975, 725075, 783081, 851175, 1305135, 1505925, 2175225, 3915405, 6525675, 19577025]

約数ペア:

[(1, 19577025), (3, 6525675), (5, 3915405), (9, 2175225), (13, 1505925), (15, 1305135), (23, 851175), (25, 783081), (27, 725075), (39, 501975), (45, 435045), (65, 301185), (69, 283725), (75, 261027), (97, 201825), (115, 170235), (117, 167325), (135, 145015), (195, 100395), (207, 94575), (225, 87009), (291, 67275), (299, 65475), (325, 60237), (345, 56745), (351, 55775), (485, 40365), (575, 34047), (585, 33465), (621, 31525), (675, 29003), (873, 22425), (897, 21825), (975, 20079), (1035, 18915), (1261, 15525), (1455, 13455), (1495, 13095), (1725, 11349), (1755, 11155), (2231, 8775), (2425, 8073), (2619, 7475), (2691, 7275), (2925, 6693), (3105, 6305), (3783, 5175), (4365, 4485)]