19414980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8297}}^1$

素因数の和:8325

約数の個数: 72

約数和(自身を含む): 63429912

約数和(自身を除く): 44014932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8297, 16594, 24891, 33188, 41485, 49782, 74673, 82970, 99564, 107861, 124455, 149346, 165940, 215722, 248910, 298692, 323583, 373365, 431444, 497820, 539305, 647166, 746730, 970749, 1078610, 1294332, 1493460, 1617915, 1941498, 2157220, 3235830, 3882996, 4853745, 6471660, 9707490, 19414980]

約数ペア:

[(1, 19414980), (2, 9707490), (3, 6471660), (4, 4853745), (5, 3882996), (6, 3235830), (9, 2157220), (10, 1941498), (12, 1617915), (13, 1493460), (15, 1294332), (18, 1078610), (20, 970749), (26, 746730), (30, 647166), (36, 539305), (39, 497820), (45, 431444), (52, 373365), (60, 323583), (65, 298692), (78, 248910), (90, 215722), (117, 165940), (130, 149346), (156, 124455), (180, 107861), (195, 99564), (234, 82970), (260, 74673), (390, 49782), (468, 41485), (585, 33188), (780, 24891), (1170, 16594), (2340, 8297)]