18010575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 37140480

約数和(自身を除く): 19129905

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 383, 475, 495, 627, 825, 855, 1045, 1149, 1425, 1881, 1915, 2475, 3135, 3447, 4213, 4275, 5225, 5745, 7277, 9405, 9575, 12639, 15675, 17235, 21065, 21831, 28725, 36385, 37917, 47025, 63195, 65493, 80047, 86175, 105325, 109155, 181925, 189585, 240141, 315975, 327465, 400235, 545775, 720423, 947925, 1200705, 1637325, 2001175, 3602115, 6003525, 18010575]

約数ペア:

[(1, 18010575), (3, 6003525), (5, 3602115), (9, 2001175), (11, 1637325), (15, 1200705), (19, 947925), (25, 720423), (33, 545775), (45, 400235), (55, 327465), (57, 315975), (75, 240141), (95, 189585), (99, 181925), (165, 109155), (171, 105325), (209, 86175), (225, 80047), (275, 65493), (285, 63195), (383, 47025), (475, 37917), (495, 36385), (627, 28725), (825, 21831), (855, 21065), (1045, 17235), (1149, 15675), (1425, 12639), (1881, 9575), (1915, 9405), (2475, 7277), (3135, 5745), (3447, 5225), (4213, 4275)]