18743010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 56173824

約数和(自身を除く): 37430814

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 26, 30, 33, 34, 39, 51, 55, 65, 66, 78, 85, 102, 110, 130, 143, 165, 170, 187, 195, 221, 255, 257, 286, 330, 374, 390, 429, 442, 510, 514, 561, 663, 715, 771, 858, 935, 1105, 1122, 1285, 1326, 1430, 1542, 1870, 2145, 2210, 2431, 2570, 2805, 2827, 3315, 3341, 3855, 4290, 4369, 4862, 5610, 5654, 6630, 6682, 7293, 7710, 8481, 8738, 10023, 12155, 13107, 14135, 14586, 16705, 16962, 20046, 21845, 24310, 26214, 28270, 33410, 36465, 36751, 42405, 43690, 48059, 50115, 56797, 65535, 72930, 73502, 84810, 96118, 100230, 110253, 113594, 131070, 144177, 170391, 183755, 220506, 240295, 283985, 288354, 340782, 367510, 480590, 551265, 567970, 624767, 720885, 851955, 1102530, 1249534, 1441770, 1703910, 1874301, 3123835, 3748602, 6247670, 9371505, 18743010]

約数ペア:

[(1, 18743010), (2, 9371505), (3, 6247670), (5, 3748602), (6, 3123835), (10, 1874301), (11, 1703910), (13, 1441770), (15, 1249534), (17, 1102530), (22, 851955), (26, 720885), (30, 624767), (33, 567970), (34, 551265), (39, 480590), (51, 367510), (55, 340782), (65, 288354), (66, 283985), (78, 240295), (85, 220506), (102, 183755), (110, 170391), (130, 144177), (143, 131070), (165, 113594), (170, 110253), (187, 100230), (195, 96118), (221, 84810), (255, 73502), (257, 72930), (286, 65535), (330, 56797), (374, 50115), (390, 48059), (429, 43690), (442, 42405), (510, 36751), (514, 36465), (561, 33410), (663, 28270), (715, 26214), (771, 24310), (858, 21845), (935, 20046), (1105, 16962), (1122, 16705), (1285, 14586), (1326, 14135), (1430, 13107), (1542, 12155), (1870, 10023), (2145, 8738), (2210, 8481), (2431, 7710), (2570, 7293), (2805, 6682), (2827, 6630), (3315, 5654), (3341, 5610), (3855, 4862), (4290, 4369)]