18942426

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 42981120

約数和(自身を除く): 24038694

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 83, 93, 166, 186, 249, 279, 409, 498, 558, 747, 818, 1227, 1494, 2454, 2573, 3681, 5146, 7362, 7719, 12679, 15438, 23157, 25358, 33947, 38037, 46314, 67894, 76074, 101841, 114111, 203682, 228222, 305523, 611046, 1052357, 2104714, 3157071, 6314142, 9471213, 18942426]

約数ペア:

[(1, 18942426), (2, 9471213), (3, 6314142), (6, 3157071), (9, 2104714), (18, 1052357), (31, 611046), (62, 305523), (83, 228222), (93, 203682), (166, 114111), (186, 101841), (249, 76074), (279, 67894), (409, 46314), (498, 38037), (558, 33947), (747, 25358), (818, 23157), (1227, 15438), (1494, 12679), (2454, 7719), (2573, 7362), (3681, 5146)]