18918060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1503

約数の個数: 96

約数和(自身を含む): 62533632

約数和(自身を除く): 43615572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1453, 1860, 2170, 2604, 2906, 3255, 4340, 4359, 5812, 6510, 7265, 8718, 10171, 13020, 14530, 17436, 20342, 21795, 29060, 30513, 40684, 43590, 45043, 50855, 61026, 87180, 90086, 101710, 122052, 135129, 152565, 180172, 203420, 225215, 270258, 305130, 315301, 450430, 540516, 610260, 630602, 675645, 900860, 945903, 1261204, 1351290, 1576505, 1891806, 2702580, 3153010, 3783612, 4729515, 6306020, 9459030, 18918060]

約数ペア:

[(1, 18918060), (2, 9459030), (3, 6306020), (4, 4729515), (5, 3783612), (6, 3153010), (7, 2702580), (10, 1891806), (12, 1576505), (14, 1351290), (15, 1261204), (20, 945903), (21, 900860), (28, 675645), (30, 630602), (31, 610260), (35, 540516), (42, 450430), (60, 315301), (62, 305130), (70, 270258), (84, 225215), (93, 203420), (105, 180172), (124, 152565), (140, 135129), (155, 122052), (186, 101710), (210, 90086), (217, 87180), (310, 61026), (372, 50855), (420, 45043), (434, 43590), (465, 40684), (620, 30513), (651, 29060), (868, 21795), (930, 20342), (1085, 17436), (1302, 14530), (1453, 13020), (1860, 10171), (2170, 8718), (2604, 7265), (2906, 6510), (3255, 5812), (4340, 4359)]