19421064

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20749}}^1$

素因数の和:20774

約数の個数: 48

約数和(自身を含む): 56647500

約数和(自身を除く): 37226436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20749, 41498, 62247, 82996, 124494, 165992, 186741, 248988, 269737, 373482, 497976, 539474, 746964, 809211, 1078948, 1493928, 1618422, 2157896, 2427633, 3236844, 4855266, 6473688, 9710532, 19421064]

約数ペア:

[(1, 19421064), (2, 9710532), (3, 6473688), (4, 4855266), (6, 3236844), (8, 2427633), (9, 2157896), (12, 1618422), (13, 1493928), (18, 1078948), (24, 809211), (26, 746964), (36, 539474), (39, 497976), (52, 373482), (72, 269737), (78, 248988), (104, 186741), (117, 165992), (156, 124494), (234, 82996), (312, 62247), (468, 41498), (936, 20749)]