19150517840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179581}}^1$

素因数の和:179668

約数の個数: 80

約数和(自身を含む): 47030370816

約数和(自身を除く): 27879852976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2480, 2666, 3440, 5332, 6665, 10664, 13330, 21328, 26660, 53320, 106640, 179581, 359162, 718324, 897905, 1436648, 1795810, 2873296, 3591620, 5567011, 7183240, 7721983, 11134022, 14366480, 15443966, 22268044, 27835055, 30887932, 38609915, 44536088, 55670110, 61775864, 77219830, 89072176, 111340220, 123551728, 154439660, 222680440, 239381473, 308879320, 445360880, 478762946, 617758640, 957525892, 1196907365, 1915051784, 2393814730, 3830103568, 4787629460, 9575258920, 19150517840]

約数ペア:

[(1, 19150517840), (2, 9575258920), (4, 4787629460), (5, 3830103568), (8, 2393814730), (10, 1915051784), (16, 1196907365), (20, 957525892), (31, 617758640), (40, 478762946), (43, 445360880), (62, 308879320), (80, 239381473), (86, 222680440), (124, 154439660), (155, 123551728), (172, 111340220), (215, 89072176), (248, 77219830), (310, 61775864), (344, 55670110), (430, 44536088), (496, 38609915), (620, 30887932), (688, 27835055), (860, 22268044), (1240, 15443966), (1333, 14366480), (1720, 11134022), (2480, 7721983), (2666, 7183240), (3440, 5567011), (5332, 3591620), (6665, 2873296), (10664, 1795810), (13330, 1436648), (21328, 897905), (26660, 718324), (53320, 359162), (106640, 179581)]