18860010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 50101632

約数和(自身を除く): 31241622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1307, 1443, 2405, 2614, 2886, 3921, 4810, 6535, 7215, 7842, 13070, 14430, 16991, 19605, 33982, 39210, 48359, 50973, 84955, 96718, 101946, 145077, 169910, 241795, 254865, 290154, 483590, 509730, 628667, 725385, 1257334, 1450770, 1886001, 3143335, 3772002, 6286670, 9430005, 18860010]

約数ペア:

[(1, 18860010), (2, 9430005), (3, 6286670), (5, 3772002), (6, 3143335), (10, 1886001), (13, 1450770), (15, 1257334), (26, 725385), (30, 628667), (37, 509730), (39, 483590), (65, 290154), (74, 254865), (78, 241795), (111, 169910), (130, 145077), (185, 101946), (195, 96718), (222, 84955), (370, 50973), (390, 48359), (481, 39210), (555, 33982), (962, 19605), (1110, 16991), (1307, 14430), (1443, 13070), (2405, 7842), (2614, 7215), (2886, 6535), (3921, 4810)]