18516420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 62283312

約数和(自身を除く): 43766892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 180, 193, 195, 205, 234, 246, 260, 369, 386, 390, 410, 468, 492, 533, 579, 585, 615, 738, 772, 780, 820, 965, 1066, 1158, 1170, 1230, 1476, 1599, 1737, 1845, 1930, 2132, 2316, 2340, 2460, 2509, 2665, 2895, 3198, 3474, 3690, 3860, 4797, 5018, 5330, 5790, 6396, 6948, 7380, 7527, 7913, 7995, 8685, 9594, 10036, 10660, 11580, 12545, 15054, 15826, 15990, 17370, 19188, 22581, 23739, 23985, 25090, 30108, 31652, 31980, 34740, 37635, 39565, 45162, 47478, 47970, 50180, 71217, 75270, 79130, 90324, 94956, 95940, 102869, 112905, 118695, 142434, 150540, 158260, 205738, 225810, 237390, 284868, 308607, 356085, 411476, 451620, 474780, 514345, 617214, 712170, 925821, 1028690, 1234428, 1424340, 1543035, 1851642, 2057380, 3086070, 3703284, 4629105, 6172140, 9258210, 18516420]

約数ペア:

[(1, 18516420), (2, 9258210), (3, 6172140), (4, 4629105), (5, 3703284), (6, 3086070), (9, 2057380), (10, 1851642), (12, 1543035), (13, 1424340), (15, 1234428), (18, 1028690), (20, 925821), (26, 712170), (30, 617214), (36, 514345), (39, 474780), (41, 451620), (45, 411476), (52, 356085), (60, 308607), (65, 284868), (78, 237390), (82, 225810), (90, 205738), (117, 158260), (123, 150540), (130, 142434), (156, 118695), (164, 112905), (180, 102869), (193, 95940), (195, 94956), (205, 90324), (234, 79130), (246, 75270), (260, 71217), (369, 50180), (386, 47970), (390, 47478), (410, 45162), (468, 39565), (492, 37635), (533, 34740), (579, 31980), (585, 31652), (615, 30108), (738, 25090), (772, 23985), (780, 23739), (820, 22581), (965, 19188), (1066, 17370), (1158, 15990), (1170, 15826), (1230, 15054), (1476, 12545), (1599, 11580), (1737, 10660), (1845, 10036), (1930, 9594), (2132, 8685), (2316, 7995), (2340, 7913), (2460, 7527), (2509, 7380), (2665, 6948), (2895, 6396), (3198, 5790), (3474, 5330), (3690, 5018), (3860, 4797)]