18922860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 47121300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 503, 570, 627, 660, 684, 836, 855, 990, 1006, 1045, 1140, 1254, 1509, 1710, 1881, 1980, 2012, 2090, 2508, 2515, 3018, 3135, 3420, 3762, 4180, 4527, 5030, 5533, 6036, 6270, 7524, 7545, 9054, 9405, 9557, 10060, 11066, 12540, 15090, 16599, 18108, 18810, 19114, 22132, 22635, 27665, 28671, 30180, 33198, 37620, 38228, 45270, 47785, 49797, 55330, 57342, 66396, 82995, 86013, 90540, 95570, 99594, 105127, 110660, 114684, 143355, 165990, 172026, 191140, 199188, 210254, 248985, 286710, 315381, 331980, 344052, 420508, 430065, 497970, 525635, 573420, 630762, 860130, 946143, 995940, 1051270, 1261524, 1576905, 1720260, 1892286, 2102540, 3153810, 3784572, 4730715, 6307620, 9461430, 18922860]

約数ペア:

[(1, 18922860), (2, 9461430), (3, 6307620), (4, 4730715), (5, 3784572), (6, 3153810), (9, 2102540), (10, 1892286), (11, 1720260), (12, 1576905), (15, 1261524), (18, 1051270), (19, 995940), (20, 946143), (22, 860130), (30, 630762), (33, 573420), (36, 525635), (38, 497970), (44, 430065), (45, 420508), (55, 344052), (57, 331980), (60, 315381), (66, 286710), (76, 248985), (90, 210254), (95, 199188), (99, 191140), (110, 172026), (114, 165990), (132, 143355), (165, 114684), (171, 110660), (180, 105127), (190, 99594), (198, 95570), (209, 90540), (220, 86013), (228, 82995), (285, 66396), (330, 57342), (342, 55330), (380, 49797), (396, 47785), (418, 45270), (495, 38228), (503, 37620), (570, 33198), (627, 30180), (660, 28671), (684, 27665), (836, 22635), (855, 22132), (990, 19114), (1006, 18810), (1045, 18108), (1140, 16599), (1254, 15090), (1509, 12540), (1710, 11066), (1881, 10060), (1980, 9557), (2012, 9405), (2090, 9054), (2508, 7545), (2515, 7524), (3018, 6270), (3135, 6036), (3420, 5533), (3762, 5030), (4180, 4527)]