18972930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:951

約数の個数: 64

約数和(自身を含む): 49102848

約数和(自身を除く): 30129918

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 887, 930, 1426, 1774, 2139, 2661, 3565, 4278, 4435, 5322, 7130, 8870, 10695, 13305, 20401, 21390, 26610, 27497, 40802, 54994, 61203, 82491, 102005, 122406, 137485, 164982, 204010, 274970, 306015, 412455, 612030, 632431, 824910, 1264862, 1897293, 3162155, 3794586, 6324310, 9486465, 18972930]

約数ペア:

[(1, 18972930), (2, 9486465), (3, 6324310), (5, 3794586), (6, 3162155), (10, 1897293), (15, 1264862), (23, 824910), (30, 632431), (31, 612030), (46, 412455), (62, 306015), (69, 274970), (93, 204010), (115, 164982), (138, 137485), (155, 122406), (186, 102005), (230, 82491), (310, 61203), (345, 54994), (465, 40802), (690, 27497), (713, 26610), (887, 21390), (930, 20401), (1426, 13305), (1774, 10695), (2139, 8870), (2661, 7130), (3565, 5322), (4278, 4435)]