19921712328

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{647987}}^1$

素因数の和:648067

約数の個数: 96

約数和(自身を含む): 62673399360

約数和(自身を除く): 42751687032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 61, 63, 72, 84, 122, 126, 168, 183, 244, 252, 366, 427, 488, 504, 549, 732, 854, 1098, 1281, 1464, 1708, 2196, 2562, 3416, 3843, 4392, 5124, 7686, 10248, 15372, 30744, 647987, 1295974, 1943961, 2591948, 3887922, 4535909, 5183896, 5831883, 7775844, 9071818, 11663766, 13607727, 15551688, 18143636, 23327532, 27215454, 36287272, 39527207, 40823181, 46655064, 54430908, 79054414, 81646362, 108861816, 118581621, 158108828, 163292724, 237163242, 276690449, 316217656, 326585448, 355744863, 474326484, 553380898, 711489726, 830071347, 948652968, 1106761796, 1422979452, 1660142694, 2213523592, 2490214041, 2845958904, 3320285388, 4980428082, 6640570776, 9960856164, 19921712328]

約数ペア:

[(1, 19921712328), (2, 9960856164), (3, 6640570776), (4, 4980428082), (6, 3320285388), (7, 2845958904), (8, 2490214041), (9, 2213523592), (12, 1660142694), (14, 1422979452), (18, 1106761796), (21, 948652968), (24, 830071347), (28, 711489726), (36, 553380898), (42, 474326484), (56, 355744863), (61, 326585448), (63, 316217656), (72, 276690449), (84, 237163242), (122, 163292724), (126, 158108828), (168, 118581621), (183, 108861816), (244, 81646362), (252, 79054414), (366, 54430908), (427, 46655064), (488, 40823181), (504, 39527207), (549, 36287272), (732, 27215454), (854, 23327532), (1098, 18143636), (1281, 15551688), (1464, 13607727), (1708, 11663766), (2196, 9071818), (2562, 7775844), (3416, 5831883), (3843, 5183896), (4392, 4535909), (5124, 3887922), (7686, 2591948), (10248, 1943961), (15372, 1295974), (30744, 647987)]