18988914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 26169486

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 79, 97, 118, 158, 177, 194, 237, 291, 354, 413, 474, 553, 582, 679, 826, 1106, 1239, 1358, 1659, 2037, 2478, 3318, 4074, 4661, 5723, 7663, 9322, 11446, 13983, 15326, 17169, 22989, 27966, 32627, 34338, 40061, 45978, 53641, 65254, 80122, 97881, 107282, 120183, 160923, 195762, 240366, 321846, 452117, 904234, 1356351, 2712702, 3164819, 6329638, 9494457, 18988914]

約数ペア:

[(1, 18988914), (2, 9494457), (3, 6329638), (6, 3164819), (7, 2712702), (14, 1356351), (21, 904234), (42, 452117), (59, 321846), (79, 240366), (97, 195762), (118, 160923), (158, 120183), (177, 107282), (194, 97881), (237, 80122), (291, 65254), (354, 53641), (413, 45978), (474, 40061), (553, 34338), (582, 32627), (679, 27966), (826, 22989), (1106, 17169), (1239, 15326), (1358, 13983), (1659, 11446), (2037, 9322), (2478, 7663), (3318, 5723), (4074, 4661)]