18788910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 57646080

約数和(自身を除く): 38857170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 19, 21, 30, 34, 35, 38, 42, 51, 57, 70, 85, 95, 102, 105, 114, 119, 133, 170, 190, 210, 238, 255, 266, 277, 285, 323, 357, 399, 510, 554, 570, 595, 646, 665, 714, 798, 831, 969, 1190, 1330, 1385, 1615, 1662, 1785, 1938, 1939, 1995, 2261, 2770, 3230, 3570, 3878, 3990, 4155, 4522, 4709, 4845, 5263, 5817, 6783, 8310, 9418, 9690, 9695, 10526, 11305, 11634, 13566, 14127, 15789, 19390, 22610, 23545, 26315, 28254, 29085, 31578, 32963, 33915, 36841, 47090, 52630, 58170, 65926, 67830, 70635, 73682, 78945, 89471, 98889, 110523, 141270, 157890, 164815, 178942, 184205, 197778, 221046, 268413, 329630, 368410, 447355, 494445, 536826, 552615, 626297, 894710, 988890, 1105230, 1252594, 1342065, 1878891, 2684130, 3131485, 3757782, 6262970, 9394455, 18788910]

約数ペア:

[(1, 18788910), (2, 9394455), (3, 6262970), (5, 3757782), (6, 3131485), (7, 2684130), (10, 1878891), (14, 1342065), (15, 1252594), (17, 1105230), (19, 988890), (21, 894710), (30, 626297), (34, 552615), (35, 536826), (38, 494445), (42, 447355), (51, 368410), (57, 329630), (70, 268413), (85, 221046), (95, 197778), (102, 184205), (105, 178942), (114, 164815), (119, 157890), (133, 141270), (170, 110523), (190, 98889), (210, 89471), (238, 78945), (255, 73682), (266, 70635), (277, 67830), (285, 65926), (323, 58170), (357, 52630), (399, 47090), (510, 36841), (554, 33915), (570, 32963), (595, 31578), (646, 29085), (665, 28254), (714, 26315), (798, 23545), (831, 22610), (969, 19390), (1190, 15789), (1330, 14127), (1385, 13566), (1615, 11634), (1662, 11305), (1785, 10526), (1938, 9695), (1939, 9690), (1995, 9418), (2261, 8310), (2770, 6783), (3230, 5817), (3570, 5263), (3878, 4845), (3990, 4709), (4155, 4522)]