18694060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 31302740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 122, 140, 154, 199, 220, 244, 305, 308, 385, 398, 427, 610, 671, 770, 796, 854, 995, 1220, 1342, 1393, 1540, 1708, 1990, 2135, 2189, 2684, 2786, 3355, 3980, 4270, 4378, 4697, 5572, 6710, 6965, 8540, 8756, 9394, 10945, 12139, 13420, 13930, 15323, 18788, 21890, 23485, 24278, 27860, 30646, 43780, 46970, 48556, 60695, 61292, 76615, 84973, 93940, 121390, 133529, 153230, 169946, 242780, 267058, 306460, 339892, 424865, 534116, 667645, 849730, 934703, 1335290, 1699460, 1869406, 2670580, 3738812, 4673515, 9347030, 18694060]

約数ペア:

[(1, 18694060), (2, 9347030), (4, 4673515), (5, 3738812), (7, 2670580), (10, 1869406), (11, 1699460), (14, 1335290), (20, 934703), (22, 849730), (28, 667645), (35, 534116), (44, 424865), (55, 339892), (61, 306460), (70, 267058), (77, 242780), (110, 169946), (122, 153230), (140, 133529), (154, 121390), (199, 93940), (220, 84973), (244, 76615), (305, 61292), (308, 60695), (385, 48556), (398, 46970), (427, 43780), (610, 30646), (671, 27860), (770, 24278), (796, 23485), (854, 21890), (995, 18788), (1220, 15323), (1342, 13930), (1393, 13420), (1540, 12139), (1708, 10945), (1990, 9394), (2135, 8756), (2189, 8540), (2684, 6965), (2786, 6710), (3355, 5572), (3980, 4697), (4270, 4378)]