19966752

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5333}}^1$

素因数の和:5362

約数の個数: 72

約数和(自身を含む): 61159644

約数和(自身を除く): 41192892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5333, 10666, 15999, 21332, 31998, 42664, 47997, 63996, 69329, 85328, 95994, 127992, 138658, 170656, 191988, 207987, 255984, 277316, 383976, 415974, 511968, 554632, 623961, 767952, 831948, 1109264, 1247922, 1535904, 1663896, 2218528, 2495844, 3327792, 4991688, 6655584, 9983376, 19966752]

約数ペア:

[(1, 19966752), (2, 9983376), (3, 6655584), (4, 4991688), (6, 3327792), (8, 2495844), (9, 2218528), (12, 1663896), (13, 1535904), (16, 1247922), (18, 1109264), (24, 831948), (26, 767952), (32, 623961), (36, 554632), (39, 511968), (48, 415974), (52, 383976), (72, 277316), (78, 255984), (96, 207987), (104, 191988), (117, 170656), (144, 138658), (156, 127992), (208, 95994), (234, 85328), (288, 69329), (312, 63996), (416, 47997), (468, 42664), (624, 31998), (936, 21332), (1248, 15999), (1872, 10666), (3744, 5333)]