19891410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 60825600

約数和(自身を除く): 40934190

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 79, 105, 109, 110, 154, 158, 165, 210, 218, 231, 237, 327, 330, 385, 395, 462, 474, 545, 553, 654, 763, 770, 790, 869, 1090, 1106, 1155, 1185, 1199, 1526, 1635, 1659, 1738, 2289, 2310, 2370, 2398, 2607, 2765, 3270, 3318, 3597, 3815, 4345, 4578, 5214, 5530, 5995, 6083, 7194, 7630, 8295, 8393, 8611, 8690, 11445, 11990, 12166, 13035, 16590, 16786, 17222, 17985, 18249, 22890, 25179, 25833, 26070, 30415, 35970, 36498, 41965, 43055, 50358, 51666, 60277, 60830, 83930, 86110, 91245, 94721, 120554, 125895, 129165, 180831, 182490, 189442, 251790, 258330, 284163, 301385, 361662, 473605, 568326, 602770, 663047, 904155, 947210, 1326094, 1420815, 1808310, 1989141, 2841630, 3315235, 3978282, 6630470, 9945705, 19891410]

約数ペア:

[(1, 19891410), (2, 9945705), (3, 6630470), (5, 3978282), (6, 3315235), (7, 2841630), (10, 1989141), (11, 1808310), (14, 1420815), (15, 1326094), (21, 947210), (22, 904155), (30, 663047), (33, 602770), (35, 568326), (42, 473605), (55, 361662), (66, 301385), (70, 284163), (77, 258330), (79, 251790), (105, 189442), (109, 182490), (110, 180831), (154, 129165), (158, 125895), (165, 120554), (210, 94721), (218, 91245), (231, 86110), (237, 83930), (327, 60830), (330, 60277), (385, 51666), (395, 50358), (462, 43055), (474, 41965), (545, 36498), (553, 35970), (654, 30415), (763, 26070), (770, 25833), (790, 25179), (869, 22890), (1090, 18249), (1106, 17985), (1155, 17222), (1185, 16786), (1199, 16590), (1526, 13035), (1635, 12166), (1659, 11990), (1738, 11445), (2289, 8690), (2310, 8611), (2370, 8393), (2398, 8295), (2607, 7630), (2765, 7194), (3270, 6083), (3318, 5995), (3597, 5530), (3815, 5214), (4345, 4578)]