18696930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 55296000

約数和(自身を除く): 36599070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 69, 70, 79, 98, 105, 115, 138, 147, 158, 161, 210, 230, 237, 245, 294, 322, 343, 345, 395, 474, 483, 490, 553, 686, 690, 735, 790, 805, 966, 1029, 1106, 1127, 1185, 1470, 1610, 1659, 1715, 1817, 2058, 2254, 2370, 2415, 2765, 3318, 3381, 3430, 3634, 3871, 4830, 5145, 5451, 5530, 5635, 6762, 7742, 7889, 8295, 9085, 10290, 10902, 11270, 11613, 12719, 15778, 16590, 16905, 18170, 19355, 23226, 23667, 25438, 27097, 27255, 33810, 38157, 38710, 39445, 47334, 54194, 54510, 58065, 63595, 76314, 78890, 81291, 89033, 116130, 118335, 127190, 135485, 162582, 178066, 190785, 236670, 267099, 270970, 381570, 406455, 445165, 534198, 623231, 812910, 890330, 1246462, 1335495, 1869693, 2670990, 3116155, 3739386, 6232310, 9348465, 18696930]

約数ペア:

[(1, 18696930), (2, 9348465), (3, 6232310), (5, 3739386), (6, 3116155), (7, 2670990), (10, 1869693), (14, 1335495), (15, 1246462), (21, 890330), (23, 812910), (30, 623231), (35, 534198), (42, 445165), (46, 406455), (49, 381570), (69, 270970), (70, 267099), (79, 236670), (98, 190785), (105, 178066), (115, 162582), (138, 135485), (147, 127190), (158, 118335), (161, 116130), (210, 89033), (230, 81291), (237, 78890), (245, 76314), (294, 63595), (322, 58065), (343, 54510), (345, 54194), (395, 47334), (474, 39445), (483, 38710), (490, 38157), (553, 33810), (686, 27255), (690, 27097), (735, 25438), (790, 23667), (805, 23226), (966, 19355), (1029, 18170), (1106, 16905), (1127, 16590), (1185, 15778), (1470, 12719), (1610, 11613), (1659, 11270), (1715, 10902), (1817, 10290), (2058, 9085), (2254, 8295), (2370, 7889), (2415, 7742), (2765, 6762), (3318, 5635), (3381, 5530), (3430, 5451), (3634, 5145), (3871, 4830)]