18164475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 39203840

約数和(自身を除く): 21039365

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 607, 665, 855, 1197, 1425, 1575, 1821, 1995, 3035, 3325, 4249, 4275, 5463, 5985, 9105, 9975, 11533, 12747, 15175, 21245, 27315, 29925, 34599, 38241, 45525, 57665, 63735, 80731, 103797, 106225, 136575, 172995, 191205, 242193, 288325, 318675, 403655, 518985, 726579, 864975, 956025, 1210965, 2018275, 2594925, 3632895, 6054825, 18164475]

約数ペア:

[(1, 18164475), (3, 6054825), (5, 3632895), (7, 2594925), (9, 2018275), (15, 1210965), (19, 956025), (21, 864975), (25, 726579), (35, 518985), (45, 403655), (57, 318675), (63, 288325), (75, 242193), (95, 191205), (105, 172995), (133, 136575), (171, 106225), (175, 103797), (225, 80731), (285, 63735), (315, 57665), (399, 45525), (475, 38241), (525, 34599), (607, 29925), (665, 27315), (855, 21245), (1197, 15175), (1425, 12747), (1575, 11533), (1821, 9975), (1995, 9105), (3035, 5985), (3325, 5463), (4249, 4275)]