19991393970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{1171}}^1$

素因数の和:1752

約数の個数: 128

約数和(自身を含む): 51480990720

約数和(自身を除く): 31489596750

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 61, 95, 114, 122, 183, 190, 285, 305, 366, 491, 570, 610, 915, 982, 1159, 1171, 1473, 1830, 2318, 2342, 2455, 2946, 3477, 3513, 4910, 5795, 5855, 6954, 7026, 7365, 9329, 11590, 11710, 14730, 17385, 17565, 18658, 22249, 27987, 29951, 34770, 35130, 44498, 46645, 55974, 59902, 66747, 71431, 89853, 93290, 111245, 133494, 139935, 142862, 149755, 179706, 214293, 222490, 279870, 299510, 333735, 357155, 428586, 449265, 569069, 574961, 667470, 714310, 898530, 1071465, 1138138, 1149922, 1357189, 1707207, 1724883, 2142930, 2714378, 2845345, 2874805, 3414414, 3449766, 4071567, 5690690, 5749610, 6785945, 8143134, 8536035, 8624415, 10924259, 13571890, 17072070, 17248830, 20357835, 21848518, 32772777, 35072621, 40715670, 54621295, 65545554, 70145242, 105217863, 109242590, 163863885, 175363105, 210435726, 327727770, 350726210, 526089315, 666379799, 1052178630, 1332759598, 1999139397, 3331898995, 3998278794, 6663797990, 9995696985, 19991393970]

約数ペア:

[(1, 19991393970), (2, 9995696985), (3, 6663797990), (5, 3998278794), (6, 3331898995), (10, 1999139397), (15, 1332759598), (19, 1052178630), (30, 666379799), (38, 526089315), (57, 350726210), (61, 327727770), (95, 210435726), (114, 175363105), (122, 163863885), (183, 109242590), (190, 105217863), (285, 70145242), (305, 65545554), (366, 54621295), (491, 40715670), (570, 35072621), (610, 32772777), (915, 21848518), (982, 20357835), (1159, 17248830), (1171, 17072070), (1473, 13571890), (1830, 10924259), (2318, 8624415), (2342, 8536035), (2455, 8143134), (2946, 6785945), (3477, 5749610), (3513, 5690690), (4910, 4071567), (5795, 3449766), (5855, 3414414), (6954, 2874805), (7026, 2845345), (7365, 2714378), (9329, 2142930), (11590, 1724883), (11710, 1707207), (14730, 1357189), (17385, 1149922), (17565, 1138138), (18658, 1071465), (22249, 898530), (27987, 714310), (29951, 667470), (34770, 574961), (35130, 569069), (44498, 449265), (46645, 428586), (55974, 357155), (59902, 333735), (66747, 299510), (71431, 279870), (89853, 222490), (93290, 214293), (111245, 179706), (133494, 149755), (139935, 142862)]