1815387984

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{221173}}^1$

素因数の和:221209

約数の個数: 80

約数和(自身を含む): 5485115200

約数和(自身を除く): 3669727216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 221173, 442346, 663519, 884692, 1327038, 1769384, 1990557, 2654076, 3538768, 3981114, 4202287, 5308152, 5971671, 7962228, 8404574, 10616304, 11943342, 12606861, 15924456, 16809148, 23886684, 25213722, 31848912, 33618296, 37820583, 47773368, 50427444, 67236592, 75641166, 95546736, 100854888, 113461749, 151282332, 201709776, 226923498, 302564664, 453846996, 605129328, 907693992, 1815387984]

約数ペア:

[(1, 1815387984), (2, 907693992), (3, 605129328), (4, 453846996), (6, 302564664), (8, 226923498), (9, 201709776), (12, 151282332), (16, 113461749), (18, 100854888), (19, 95546736), (24, 75641166), (27, 67236592), (36, 50427444), (38, 47773368), (48, 37820583), (54, 33618296), (57, 31848912), (72, 25213722), (76, 23886684), (108, 16809148), (114, 15924456), (144, 12606861), (152, 11943342), (171, 10616304), (216, 8404574), (228, 7962228), (304, 5971671), (342, 5308152), (432, 4202287), (456, 3981114), (513, 3538768), (684, 2654076), (912, 1990557), (1026, 1769384), (1368, 1327038), (2052, 884692), (2736, 663519), (4104, 442346), (8208, 221173)]