18772325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 28123200

約数和(自身を除く): 9350875

約数列:

[1, 5, 11, 13, 25, 55, 59, 65, 89, 143, 275, 295, 325, 445, 649, 715, 767, 979, 1157, 1475, 2225, 3245, 3575, 3835, 4895, 5251, 5785, 8437, 12727, 16225, 19175, 24475, 26255, 28925, 42185, 57761, 63635, 68263, 131275, 210925, 288805, 318175, 341315, 750893, 1444025, 1706575, 3754465, 18772325]

約数ペア:

[(1, 18772325), (5, 3754465), (11, 1706575), (13, 1444025), (25, 750893), (55, 341315), (59, 318175), (65, 288805), (89, 210925), (143, 131275), (275, 68263), (295, 63635), (325, 57761), (445, 42185), (649, 28925), (715, 26255), (767, 24475), (979, 19175), (1157, 16225), (1475, 12727), (2225, 8437), (3245, 5785), (3575, 5251), (3835, 4895)]