18362890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1231

約数の個数: 64

約数和(自身を含む): 43110144

約数和(自身を除く): 24747254

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1187, 1190, 1547, 2210, 2374, 3094, 5935, 7735, 8309, 11870, 15431, 15470, 16618, 20179, 30862, 40358, 41545, 77155, 83090, 100895, 108017, 141253, 154310, 201790, 216034, 262327, 282506, 524654, 540085, 706265, 1080170, 1311635, 1412530, 1836289, 2623270, 3672578, 9181445, 18362890]

約数ペア:

[(1, 18362890), (2, 9181445), (5, 3672578), (7, 2623270), (10, 1836289), (13, 1412530), (14, 1311635), (17, 1080170), (26, 706265), (34, 540085), (35, 524654), (65, 282506), (70, 262327), (85, 216034), (91, 201790), (119, 154310), (130, 141253), (170, 108017), (182, 100895), (221, 83090), (238, 77155), (442, 41545), (455, 40358), (595, 30862), (910, 20179), (1105, 16618), (1187, 15470), (1190, 15431), (1547, 11870), (2210, 8309), (2374, 7735), (3094, 5935)]