18948810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 47912832

約数和(自身を除く): 28964022

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 185, 215, 222, 258, 370, 397, 430, 555, 645, 794, 1110, 1191, 1290, 1591, 1985, 2382, 3182, 3970, 4773, 5955, 7955, 9546, 11910, 14689, 15910, 17071, 23865, 29378, 34142, 44067, 47730, 51213, 73445, 85355, 88134, 102426, 146890, 170710, 220335, 256065, 440670, 512130, 631627, 1263254, 1894881, 3158135, 3789762, 6316270, 9474405, 18948810]

約数ペア:

[(1, 18948810), (2, 9474405), (3, 6316270), (5, 3789762), (6, 3158135), (10, 1894881), (15, 1263254), (30, 631627), (37, 512130), (43, 440670), (74, 256065), (86, 220335), (111, 170710), (129, 146890), (185, 102426), (215, 88134), (222, 85355), (258, 73445), (370, 51213), (397, 47730), (430, 44067), (555, 34142), (645, 29378), (794, 23865), (1110, 17071), (1191, 15910), (1290, 14689), (1591, 11910), (1985, 9546), (2382, 7955), (3182, 5955), (3970, 4773)]