18845580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 58451904

約数和(自身を除く): 39606324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 653, 740, 780, 962, 1110, 1306, 1443, 1924, 1959, 2220, 2405, 2612, 2886, 3265, 3918, 4810, 5772, 6530, 7215, 7836, 8489, 9620, 9795, 13060, 14430, 16978, 19590, 24161, 25467, 28860, 33956, 39180, 42445, 48322, 50934, 72483, 84890, 96644, 101868, 120805, 127335, 144966, 169780, 241610, 254670, 289932, 314093, 362415, 483220, 509340, 628186, 724830, 942279, 1256372, 1449660, 1570465, 1884558, 3140930, 3769116, 4711395, 6281860, 9422790, 18845580]

約数ペア:

[(1, 18845580), (2, 9422790), (3, 6281860), (4, 4711395), (5, 3769116), (6, 3140930), (10, 1884558), (12, 1570465), (13, 1449660), (15, 1256372), (20, 942279), (26, 724830), (30, 628186), (37, 509340), (39, 483220), (52, 362415), (60, 314093), (65, 289932), (74, 254670), (78, 241610), (111, 169780), (130, 144966), (148, 127335), (156, 120805), (185, 101868), (195, 96644), (222, 84890), (260, 72483), (370, 50934), (390, 48322), (444, 42445), (481, 39180), (555, 33956), (653, 28860), (740, 25467), (780, 24161), (962, 19590), (1110, 16978), (1306, 14430), (1443, 13060), (1924, 9795), (1959, 9620), (2220, 8489), (2405, 7836), (2612, 7215), (2886, 6530), (3265, 5772), (3918, 4810)]