18430740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:419

約数の個数: 120

約数和(自身を含む): 59845632

約数和(自身を除く): 41414892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 367, 372, 405, 465, 540, 558, 620, 734, 810, 837, 930, 1101, 1116, 1395, 1468, 1620, 1674, 1835, 1860, 2202, 2511, 2790, 3303, 3348, 3670, 4185, 4404, 5022, 5505, 5580, 6606, 7340, 8370, 9909, 10044, 11010, 11377, 12555, 13212, 16515, 16740, 19818, 22020, 22754, 25110, 29727, 33030, 34131, 39636, 45508, 49545, 50220, 56885, 59454, 66060, 68262, 99090, 102393, 113770, 118908, 136524, 148635, 170655, 198180, 204786, 227540, 297270, 307179, 341310, 409572, 511965, 594540, 614358, 682620, 921537, 1023930, 1228716, 1535895, 1843074, 2047860, 3071790, 3686148, 4607685, 6143580, 9215370, 18430740]

約数ペア:

[(1, 18430740), (2, 9215370), (3, 6143580), (4, 4607685), (5, 3686148), (6, 3071790), (9, 2047860), (10, 1843074), (12, 1535895), (15, 1228716), (18, 1023930), (20, 921537), (27, 682620), (30, 614358), (31, 594540), (36, 511965), (45, 409572), (54, 341310), (60, 307179), (62, 297270), (81, 227540), (90, 204786), (93, 198180), (108, 170655), (124, 148635), (135, 136524), (155, 118908), (162, 113770), (180, 102393), (186, 99090), (270, 68262), (279, 66060), (310, 59454), (324, 56885), (367, 50220), (372, 49545), (405, 45508), (465, 39636), (540, 34131), (558, 33030), (620, 29727), (734, 25110), (810, 22754), (837, 22020), (930, 19818), (1101, 16740), (1116, 16515), (1395, 13212), (1468, 12555), (1620, 11377), (1674, 11010), (1835, 10044), (1860, 9909), (2202, 8370), (2511, 7340), (2790, 6606), (3303, 5580), (3348, 5505), (3670, 5022), (4185, 4404)]