18539364

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 48885760

約数和(自身を除く): 30346396

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 43, 57, 61, 62, 76, 86, 93, 114, 122, 124, 129, 172, 183, 186, 228, 244, 258, 366, 372, 516, 589, 732, 817, 1159, 1178, 1333, 1634, 1767, 1891, 2318, 2356, 2451, 2623, 2666, 3268, 3477, 3534, 3782, 3999, 4636, 4902, 5246, 5332, 5673, 6954, 7068, 7564, 7869, 7998, 9804, 10492, 11346, 13908, 15738, 15996, 22692, 25327, 31476, 35929, 49837, 50654, 71858, 75981, 81313, 99674, 101308, 107787, 143716, 149511, 151962, 162626, 199348, 215574, 243939, 299022, 303924, 325252, 431148, 487878, 598044, 975756, 1544947, 3089894, 4634841, 6179788, 9269682, 18539364]

約数ペア:

[(1, 18539364), (2, 9269682), (3, 6179788), (4, 4634841), (6, 3089894), (12, 1544947), (19, 975756), (31, 598044), (38, 487878), (43, 431148), (57, 325252), (61, 303924), (62, 299022), (76, 243939), (86, 215574), (93, 199348), (114, 162626), (122, 151962), (124, 149511), (129, 143716), (172, 107787), (183, 101308), (186, 99674), (228, 81313), (244, 75981), (258, 71858), (366, 50654), (372, 49837), (516, 35929), (589, 31476), (732, 25327), (817, 22692), (1159, 15996), (1178, 15738), (1333, 13908), (1634, 11346), (1767, 10492), (1891, 9804), (2318, 7998), (2356, 7869), (2451, 7564), (2623, 7068), (2666, 6954), (3268, 5673), (3477, 5332), (3534, 5246), (3782, 4902), (3999, 4636)]