19136988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 52733408

約数和(自身を除く): 33596420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 206, 234, 309, 397, 412, 468, 618, 794, 927, 1191, 1236, 1339, 1588, 1854, 2382, 2678, 3573, 3708, 4017, 4764, 5161, 5356, 7146, 8034, 10322, 12051, 14292, 15483, 16068, 20644, 24102, 30966, 40891, 46449, 48204, 61932, 81782, 92898, 122673, 163564, 185796, 245346, 368019, 490692, 531583, 736038, 1063166, 1472076, 1594749, 2126332, 3189498, 4784247, 6378996, 9568494, 19136988]

約数ペア:

[(1, 19136988), (2, 9568494), (3, 6378996), (4, 4784247), (6, 3189498), (9, 2126332), (12, 1594749), (13, 1472076), (18, 1063166), (26, 736038), (36, 531583), (39, 490692), (52, 368019), (78, 245346), (103, 185796), (117, 163564), (156, 122673), (206, 92898), (234, 81782), (309, 61932), (397, 48204), (412, 46449), (468, 40891), (618, 30966), (794, 24102), (927, 20644), (1191, 16068), (1236, 15483), (1339, 14292), (1588, 12051), (1854, 10322), (2382, 8034), (2678, 7146), (3573, 5356), (3708, 5161), (4017, 4764)]