18393810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 46161792

約数和(自身を除く): 27767982

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 73, 74, 111, 146, 185, 219, 222, 227, 365, 370, 438, 454, 555, 681, 730, 1095, 1110, 1135, 1362, 2190, 2270, 2701, 3405, 5402, 6810, 8103, 8399, 13505, 16206, 16571, 16798, 25197, 27010, 33142, 40515, 41995, 49713, 50394, 81030, 82855, 83990, 99426, 125985, 165710, 248565, 251970, 497130, 613127, 1226254, 1839381, 3065635, 3678762, 6131270, 9196905, 18393810]

約数ペア:

[(1, 18393810), (2, 9196905), (3, 6131270), (5, 3678762), (6, 3065635), (10, 1839381), (15, 1226254), (30, 613127), (37, 497130), (73, 251970), (74, 248565), (111, 165710), (146, 125985), (185, 99426), (219, 83990), (222, 82855), (227, 81030), (365, 50394), (370, 49713), (438, 41995), (454, 40515), (555, 33142), (681, 27010), (730, 25197), (1095, 16798), (1110, 16571), (1135, 16206), (1362, 13505), (2190, 8399), (2270, 8103), (2701, 6810), (3405, 5402)]