17956900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 44233280

約数和(自身を除く): 26276380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 727, 950, 988, 1235, 1300, 1454, 1900, 2470, 2908, 3635, 4940, 6175, 7270, 9451, 12350, 13813, 14540, 18175, 18902, 24700, 27626, 36350, 37804, 47255, 55252, 69065, 72700, 94510, 138130, 179569, 189020, 236275, 276260, 345325, 359138, 472550, 690650, 718276, 897845, 945100, 1381300, 1795690, 3591380, 4489225, 8978450, 17956900]

約数ペア:

[(1, 17956900), (2, 8978450), (4, 4489225), (5, 3591380), (10, 1795690), (13, 1381300), (19, 945100), (20, 897845), (25, 718276), (26, 690650), (38, 472550), (50, 359138), (52, 345325), (65, 276260), (76, 236275), (95, 189020), (100, 179569), (130, 138130), (190, 94510), (247, 72700), (260, 69065), (325, 55252), (380, 47255), (475, 37804), (494, 36350), (650, 27626), (727, 24700), (950, 18902), (988, 18175), (1235, 14540), (1300, 13813), (1454, 12350), (1900, 9451), (2470, 7270), (2908, 6175), (3635, 4940)]