19507180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 32747540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 53, 55, 70, 77, 106, 110, 140, 154, 212, 220, 239, 265, 308, 371, 385, 478, 530, 583, 742, 770, 956, 1060, 1166, 1195, 1484, 1540, 1673, 1855, 2332, 2390, 2629, 2915, 3346, 3710, 4081, 4780, 5258, 5830, 6692, 7420, 8162, 8365, 10516, 11660, 12667, 13145, 16324, 16730, 18403, 20405, 25334, 26290, 33460, 36806, 40810, 50668, 52580, 63335, 73612, 81620, 88669, 92015, 126670, 139337, 177338, 184030, 253340, 278674, 354676, 368060, 443345, 557348, 696685, 886690, 975359, 1393370, 1773380, 1950718, 2786740, 3901436, 4876795, 9753590, 19507180]

約数ペア:

[(1, 19507180), (2, 9753590), (4, 4876795), (5, 3901436), (7, 2786740), (10, 1950718), (11, 1773380), (14, 1393370), (20, 975359), (22, 886690), (28, 696685), (35, 557348), (44, 443345), (53, 368060), (55, 354676), (70, 278674), (77, 253340), (106, 184030), (110, 177338), (140, 139337), (154, 126670), (212, 92015), (220, 88669), (239, 81620), (265, 73612), (308, 63335), (371, 52580), (385, 50668), (478, 40810), (530, 36806), (583, 33460), (742, 26290), (770, 25334), (956, 20405), (1060, 18403), (1166, 16730), (1195, 16324), (1484, 13145), (1540, 12667), (1673, 11660), (1855, 10516), (2332, 8365), (2390, 8162), (2629, 7420), (2915, 6692), (3346, 5830), (3710, 5258), (4081, 4780)]