19789770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:700

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 44077110

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 165, 182, 195, 210, 231, 273, 286, 330, 385, 390, 429, 455, 462, 546, 659, 715, 770, 858, 910, 1001, 1155, 1318, 1365, 1430, 1977, 2002, 2145, 2310, 2730, 3003, 3295, 3954, 4290, 4613, 5005, 6006, 6590, 7249, 8567, 9226, 9885, 10010, 13839, 14498, 15015, 17134, 19770, 21747, 23065, 25701, 27678, 30030, 36245, 42835, 43494, 46130, 50743, 51402, 59969, 69195, 72490, 85670, 94237, 101486, 108735, 119938, 128505, 138390, 152229, 179907, 188474, 217470, 253715, 257010, 282711, 299845, 304458, 359814, 471185, 507430, 565422, 599690, 659659, 761145, 899535, 942370, 1319318, 1413555, 1522290, 1799070, 1978977, 2827110, 3298295, 3957954, 6596590, 9894885, 19789770]

約数ペア:

[(1, 19789770), (2, 9894885), (3, 6596590), (5, 3957954), (6, 3298295), (7, 2827110), (10, 1978977), (11, 1799070), (13, 1522290), (14, 1413555), (15, 1319318), (21, 942370), (22, 899535), (26, 761145), (30, 659659), (33, 599690), (35, 565422), (39, 507430), (42, 471185), (55, 359814), (65, 304458), (66, 299845), (70, 282711), (77, 257010), (78, 253715), (91, 217470), (105, 188474), (110, 179907), (130, 152229), (143, 138390), (154, 128505), (165, 119938), (182, 108735), (195, 101486), (210, 94237), (231, 85670), (273, 72490), (286, 69195), (330, 59969), (385, 51402), (390, 50743), (429, 46130), (455, 43494), (462, 42835), (546, 36245), (659, 30030), (715, 27678), (770, 25701), (858, 23065), (910, 21747), (1001, 19770), (1155, 17134), (1318, 15015), (1365, 14498), (1430, 13839), (1977, 10010), (2002, 9885), (2145, 9226), (2310, 8567), (2730, 7249), (3003, 6590), (3295, 6006), (3954, 5005), (4290, 4613)]