18635340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 55351296

約数和(自身を除く): 36715956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 233, 258, 310, 372, 430, 465, 466, 516, 620, 645, 699, 860, 930, 932, 1165, 1290, 1333, 1398, 1860, 2330, 2580, 2666, 2796, 3495, 3999, 4660, 5332, 6665, 6990, 7223, 7998, 10019, 13330, 13980, 14446, 15996, 19995, 20038, 21669, 26660, 28892, 30057, 36115, 39990, 40076, 43338, 50095, 60114, 72230, 79980, 86676, 100190, 108345, 120228, 144460, 150285, 200380, 216690, 300570, 310589, 433380, 601140, 621178, 931767, 1242356, 1552945, 1863534, 3105890, 3727068, 4658835, 6211780, 9317670, 18635340]

約数ペア:

[(1, 18635340), (2, 9317670), (3, 6211780), (4, 4658835), (5, 3727068), (6, 3105890), (10, 1863534), (12, 1552945), (15, 1242356), (20, 931767), (30, 621178), (31, 601140), (43, 433380), (60, 310589), (62, 300570), (86, 216690), (93, 200380), (124, 150285), (129, 144460), (155, 120228), (172, 108345), (186, 100190), (215, 86676), (233, 79980), (258, 72230), (310, 60114), (372, 50095), (430, 43338), (465, 40076), (466, 39990), (516, 36115), (620, 30057), (645, 28892), (699, 26660), (860, 21669), (930, 20038), (932, 19995), (1165, 15996), (1290, 14446), (1333, 13980), (1398, 13330), (1860, 10019), (2330, 7998), (2580, 7223), (2666, 6990), (2796, 6665), (3495, 5332), (3999, 4660)]