18941910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2897

約数の個数: 64

約数和(自身を含む): 51855552

約数和(自身を除く): 32913642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 2857, 3315, 5714, 6630, 8571, 14285, 17142, 28570, 37141, 42855, 48569, 74282, 85710, 97138, 111423, 145707, 185705, 222846, 242845, 291414, 371410, 485690, 557115, 631397, 728535, 1114230, 1262794, 1457070, 1894191, 3156985, 3788382, 6313970, 9470955, 18941910]

約数ペア:

[(1, 18941910), (2, 9470955), (3, 6313970), (5, 3788382), (6, 3156985), (10, 1894191), (13, 1457070), (15, 1262794), (17, 1114230), (26, 728535), (30, 631397), (34, 557115), (39, 485690), (51, 371410), (65, 291414), (78, 242845), (85, 222846), (102, 185705), (130, 145707), (170, 111423), (195, 97138), (221, 85710), (255, 74282), (390, 48569), (442, 42855), (510, 37141), (663, 28570), (1105, 17142), (1326, 14285), (2210, 8571), (2857, 6630), (3315, 5714)]