18447840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:601

約数の個数: 144

約数和(自身を含む): 65808288

約数和(自身を除く): 47360448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 557, 690, 720, 736, 828, 920, 1035, 1104, 1114, 1380, 1440, 1656, 1671, 1840, 2070, 2208, 2228, 2760, 2785, 3312, 3342, 3680, 4140, 4456, 5013, 5520, 5570, 6624, 6684, 8280, 8355, 8912, 10026, 11040, 11140, 12811, 13368, 16560, 16710, 17824, 20052, 22280, 25065, 25622, 26736, 33120, 33420, 38433, 40104, 44560, 50130, 51244, 53472, 64055, 66840, 76866, 80208, 89120, 100260, 102488, 115299, 128110, 133680, 153732, 160416, 192165, 200520, 204976, 230598, 256220, 267360, 307464, 384330, 401040, 409952, 461196, 512440, 576495, 614928, 768660, 802080, 922392, 1024880, 1152990, 1229856, 1537320, 1844784, 2049760, 2305980, 3074640, 3689568, 4611960, 6149280, 9223920, 18447840]

約数ペア:

[(1, 18447840), (2, 9223920), (3, 6149280), (4, 4611960), (5, 3689568), (6, 3074640), (8, 2305980), (9, 2049760), (10, 1844784), (12, 1537320), (15, 1229856), (16, 1152990), (18, 1024880), (20, 922392), (23, 802080), (24, 768660), (30, 614928), (32, 576495), (36, 512440), (40, 461196), (45, 409952), (46, 401040), (48, 384330), (60, 307464), (69, 267360), (72, 256220), (80, 230598), (90, 204976), (92, 200520), (96, 192165), (115, 160416), (120, 153732), (138, 133680), (144, 128110), (160, 115299), (180, 102488), (184, 100260), (207, 89120), (230, 80208), (240, 76866), (276, 66840), (288, 64055), (345, 53472), (360, 51244), (368, 50130), (414, 44560), (460, 40104), (480, 38433), (552, 33420), (557, 33120), (690, 26736), (720, 25622), (736, 25065), (828, 22280), (920, 20052), (1035, 17824), (1104, 16710), (1114, 16560), (1380, 13368), (1440, 12811), (1656, 11140), (1671, 11040), (1840, 10026), (2070, 8912), (2208, 8355), (2228, 8280), (2760, 6684), (2785, 6624), (3312, 5570), (3342, 5520), (3680, 5013), (4140, 4456)]