18231780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 59157504

約数和(自身を除く): 40925724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 523, 581, 830, 996, 1046, 1162, 1245, 1569, 1660, 1743, 2092, 2324, 2490, 2615, 2905, 3138, 3486, 3661, 4980, 5230, 5810, 6276, 6972, 7322, 7845, 8715, 10460, 10983, 11620, 14644, 15690, 17430, 18305, 21966, 31380, 34860, 36610, 43409, 43932, 54915, 73220, 86818, 109830, 130227, 173636, 217045, 219660, 260454, 303863, 434090, 520908, 607726, 651135, 868180, 911589, 1215452, 1302270, 1519315, 1823178, 2604540, 3038630, 3646356, 4557945, 6077260, 9115890, 18231780]

約数ペア:

[(1, 18231780), (2, 9115890), (3, 6077260), (4, 4557945), (5, 3646356), (6, 3038630), (7, 2604540), (10, 1823178), (12, 1519315), (14, 1302270), (15, 1215452), (20, 911589), (21, 868180), (28, 651135), (30, 607726), (35, 520908), (42, 434090), (60, 303863), (70, 260454), (83, 219660), (84, 217045), (105, 173636), (140, 130227), (166, 109830), (210, 86818), (249, 73220), (332, 54915), (415, 43932), (420, 43409), (498, 36610), (523, 34860), (581, 31380), (830, 21966), (996, 18305), (1046, 17430), (1162, 15690), (1245, 14644), (1569, 11620), (1660, 10983), (1743, 10460), (2092, 8715), (2324, 7845), (2490, 7322), (2615, 6972), (2905, 6276), (3138, 5810), (3486, 5230), (3661, 4980)]