18418980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 36738780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 107, 114, 151, 190, 214, 228, 285, 302, 321, 380, 428, 453, 535, 570, 604, 642, 755, 906, 1070, 1140, 1284, 1510, 1605, 1812, 2033, 2140, 2265, 2869, 3020, 3210, 4066, 4530, 5738, 6099, 6420, 8132, 8607, 9060, 10165, 11476, 12198, 14345, 16157, 17214, 20330, 24396, 28690, 30495, 32314, 34428, 40660, 43035, 48471, 57380, 60990, 64628, 80785, 86070, 96942, 121980, 161570, 172140, 193884, 242355, 306983, 323140, 484710, 613966, 920949, 969420, 1227932, 1534915, 1841898, 3069830, 3683796, 4604745, 6139660, 9209490, 18418980]

約数ペア:

[(1, 18418980), (2, 9209490), (3, 6139660), (4, 4604745), (5, 3683796), (6, 3069830), (10, 1841898), (12, 1534915), (15, 1227932), (19, 969420), (20, 920949), (30, 613966), (38, 484710), (57, 323140), (60, 306983), (76, 242355), (95, 193884), (107, 172140), (114, 161570), (151, 121980), (190, 96942), (214, 86070), (228, 80785), (285, 64628), (302, 60990), (321, 57380), (380, 48471), (428, 43035), (453, 40660), (535, 34428), (570, 32314), (604, 30495), (642, 28690), (755, 24396), (906, 20330), (1070, 17214), (1140, 16157), (1284, 14345), (1510, 12198), (1605, 11476), (1812, 10165), (2033, 9060), (2140, 8607), (2265, 8132), (2869, 6420), (3020, 6099), (3210, 5738), (4066, 4530)]