18709680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 66781440

約数和(自身を除く): 48071760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 373, 380, 418, 440, 456, 528, 570, 627, 660, 746, 760, 836, 880, 912, 1045, 1119, 1140, 1254, 1320, 1492, 1520, 1672, 1865, 2090, 2238, 2280, 2508, 2640, 2984, 3135, 3344, 3730, 4103, 4180, 4476, 4560, 5016, 5595, 5968, 6270, 7087, 7460, 8206, 8360, 8952, 10032, 11190, 12309, 12540, 14174, 14920, 16412, 16720, 17904, 20515, 21261, 22380, 24618, 25080, 28348, 29840, 32824, 35435, 41030, 42522, 44760, 49236, 50160, 56696, 61545, 65648, 70870, 77957, 82060, 85044, 89520, 98472, 106305, 113392, 123090, 141740, 155914, 164120, 170088, 196944, 212610, 233871, 246180, 283480, 311828, 328240, 340176, 389785, 425220, 467742, 492360, 566960, 623656, 779570, 850440, 935484, 984720, 1169355, 1247312, 1559140, 1700880, 1870968, 2338710, 3118280, 3741936, 4677420, 6236560, 9354840, 18709680]

約数ペア:

[(1, 18709680), (2, 9354840), (3, 6236560), (4, 4677420), (5, 3741936), (6, 3118280), (8, 2338710), (10, 1870968), (11, 1700880), (12, 1559140), (15, 1247312), (16, 1169355), (19, 984720), (20, 935484), (22, 850440), (24, 779570), (30, 623656), (33, 566960), (38, 492360), (40, 467742), (44, 425220), (48, 389785), (55, 340176), (57, 328240), (60, 311828), (66, 283480), (76, 246180), (80, 233871), (88, 212610), (95, 196944), (110, 170088), (114, 164120), (120, 155914), (132, 141740), (152, 123090), (165, 113392), (176, 106305), (190, 98472), (209, 89520), (220, 85044), (228, 82060), (240, 77957), (264, 70870), (285, 65648), (304, 61545), (330, 56696), (373, 50160), (380, 49236), (418, 44760), (440, 42522), (456, 41030), (528, 35435), (570, 32824), (627, 29840), (660, 28348), (746, 25080), (760, 24618), (836, 22380), (880, 21261), (912, 20515), (1045, 17904), (1119, 16720), (1140, 16412), (1254, 14920), (1320, 14174), (1492, 12540), (1520, 12309), (1672, 11190), (1865, 10032), (2090, 8952), (2238, 8360), (2280, 8206), (2508, 7460), (2640, 7087), (2984, 6270), (3135, 5968), (3344, 5595), (3730, 5016), (4103, 4560), (4180, 4476)]