18790770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 47672064

約数和(自身を除く): 28881294

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 113, 115, 138, 226, 230, 241, 339, 345, 482, 565, 678, 690, 723, 1130, 1205, 1446, 1695, 2410, 2599, 3390, 3615, 5198, 5543, 7230, 7797, 11086, 12995, 15594, 16629, 25990, 27233, 27715, 33258, 38985, 54466, 55430, 77970, 81699, 83145, 136165, 163398, 166290, 272330, 408495, 626359, 816990, 1252718, 1879077, 3131795, 3758154, 6263590, 9395385, 18790770]

約数ペア:

[(1, 18790770), (2, 9395385), (3, 6263590), (5, 3758154), (6, 3131795), (10, 1879077), (15, 1252718), (23, 816990), (30, 626359), (46, 408495), (69, 272330), (113, 166290), (115, 163398), (138, 136165), (226, 83145), (230, 81699), (241, 77970), (339, 55430), (345, 54466), (482, 38985), (565, 33258), (678, 27715), (690, 27233), (723, 25990), (1130, 16629), (1205, 15594), (1446, 12995), (1695, 11086), (2410, 7797), (2599, 7230), (3390, 5543), (3615, 5198)]