19979520984

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{205703}}^1$

素因数の和:205805

約数の個数: 96

約数和(自身を含む): 57761683200

約数和(自身を除く): 37782162216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 71, 72, 76, 114, 142, 152, 171, 213, 228, 284, 342, 426, 456, 568, 639, 684, 852, 1278, 1349, 1368, 1704, 2556, 2698, 4047, 5112, 5396, 8094, 10792, 12141, 16188, 24282, 32376, 48564, 97128, 205703, 411406, 617109, 822812, 1234218, 1645624, 1851327, 2468436, 3702654, 3908357, 4936872, 7405308, 7816714, 11725071, 14604913, 14810616, 15633428, 23450142, 29209826, 31266856, 35175213, 43814739, 46900284, 58419652, 70350426, 87629478, 93800568, 116839304, 131444217, 140700852, 175258956, 262888434, 277493347, 281401704, 350517912, 525776868, 554986694, 832480041, 1051553736, 1109973388, 1664960082, 2219946776, 2497440123, 3329920164, 4994880246, 6659840328, 9989760492, 19979520984]

約数ペア:

[(1, 19979520984), (2, 9989760492), (3, 6659840328), (4, 4994880246), (6, 3329920164), (8, 2497440123), (9, 2219946776), (12, 1664960082), (18, 1109973388), (19, 1051553736), (24, 832480041), (36, 554986694), (38, 525776868), (57, 350517912), (71, 281401704), (72, 277493347), (76, 262888434), (114, 175258956), (142, 140700852), (152, 131444217), (171, 116839304), (213, 93800568), (228, 87629478), (284, 70350426), (342, 58419652), (426, 46900284), (456, 43814739), (568, 35175213), (639, 31266856), (684, 29209826), (852, 23450142), (1278, 15633428), (1349, 14810616), (1368, 14604913), (1704, 11725071), (2556, 7816714), (2698, 7405308), (4047, 4936872), (5112, 3908357), (5396, 3702654), (8094, 2468436), (10792, 1851327), (12141, 1645624), (16188, 1234218), (24282, 822812), (32376, 617109), (48564, 411406), (97128, 205703)]