18331380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 57859200

約数和(自身を除く): 39527820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 83, 90, 108, 135, 166, 180, 249, 270, 332, 409, 415, 498, 540, 747, 818, 830, 996, 1227, 1245, 1494, 1636, 1660, 2045, 2241, 2454, 2490, 2988, 3681, 3735, 4090, 4482, 4908, 4980, 6135, 7362, 7470, 8180, 8964, 11043, 11205, 12270, 14724, 14940, 18405, 22086, 22410, 24540, 33947, 36810, 44172, 44820, 55215, 67894, 73620, 101841, 110430, 135788, 169735, 203682, 220860, 305523, 339470, 407364, 509205, 611046, 678940, 916569, 1018410, 1222092, 1527615, 1833138, 2036820, 3055230, 3666276, 4582845, 6110460, 9165690, 18331380]

約数ペア:

[(1, 18331380), (2, 9165690), (3, 6110460), (4, 4582845), (5, 3666276), (6, 3055230), (9, 2036820), (10, 1833138), (12, 1527615), (15, 1222092), (18, 1018410), (20, 916569), (27, 678940), (30, 611046), (36, 509205), (45, 407364), (54, 339470), (60, 305523), (83, 220860), (90, 203682), (108, 169735), (135, 135788), (166, 110430), (180, 101841), (249, 73620), (270, 67894), (332, 55215), (409, 44820), (415, 44172), (498, 36810), (540, 33947), (747, 24540), (818, 22410), (830, 22086), (996, 18405), (1227, 14940), (1245, 14724), (1494, 12270), (1636, 11205), (1660, 11043), (2045, 8964), (2241, 8180), (2454, 7470), (2490, 7362), (2988, 6135), (3681, 4980), (3735, 4908), (4090, 4482)]