18679430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1469

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 25737082

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1427, 1870, 2618, 2854, 6545, 7135, 9989, 13090, 14270, 15697, 19978, 24259, 31394, 48518, 49945, 78485, 99890, 109879, 121295, 156970, 169813, 219758, 242590, 266849, 339626, 533698, 549395, 849065, 1098790, 1334245, 1698130, 1867943, 2668490, 3735886, 9339715, 18679430]

約数ペア:

[(1, 18679430), (2, 9339715), (5, 3735886), (7, 2668490), (10, 1867943), (11, 1698130), (14, 1334245), (17, 1098790), (22, 849065), (34, 549395), (35, 533698), (55, 339626), (70, 266849), (77, 242590), (85, 219758), (110, 169813), (119, 156970), (154, 121295), (170, 109879), (187, 99890), (238, 78485), (374, 49945), (385, 48518), (595, 31394), (770, 24259), (935, 19978), (1190, 15697), (1309, 14270), (1427, 13090), (1870, 9989), (2618, 7135), (2854, 6545)]