19810863170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{457}}^1\times {\mathrm{88469}}^1$

素因数の和:88947

約数の個数: 48

約数和(自身を含む): 41572760760

約数和(自身を除く): 21761897590

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 457, 490, 914, 2285, 3199, 4570, 6398, 15995, 22393, 31990, 44786, 88469, 111965, 176938, 223930, 442345, 619283, 884690, 1238566, 3096415, 4334981, 6192830, 8669962, 21674905, 40430333, 43349810, 80860666, 202151665, 283012331, 404303330, 566024662, 1415061655, 1981086317, 2830123310, 3962172634, 9905431585, 19810863170]

約数ペア:

[(1, 19810863170), (2, 9905431585), (5, 3962172634), (7, 2830123310), (10, 1981086317), (14, 1415061655), (35, 566024662), (49, 404303330), (70, 283012331), (98, 202151665), (245, 80860666), (457, 43349810), (490, 40430333), (914, 21674905), (2285, 8669962), (3199, 6192830), (4570, 4334981), (6398, 3096415), (15995, 1238566), (22393, 884690), (31990, 619283), (44786, 442345), (88469, 223930), (111965, 176938)]