18910836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 55246464

約数和(自身を除く): 36335628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 743, 909, 1212, 1414, 1486, 1818, 2121, 2229, 2828, 2972, 3636, 4242, 4458, 5201, 6363, 6687, 8484, 8916, 10402, 12726, 13374, 15603, 20804, 25452, 26748, 31206, 46809, 62412, 75043, 93618, 150086, 187236, 225129, 300172, 450258, 525301, 675387, 900516, 1050602, 1350774, 1575903, 2101204, 2701548, 3151806, 4727709, 6303612, 9455418, 18910836]

約数ペア:

[(1, 18910836), (2, 9455418), (3, 6303612), (4, 4727709), (6, 3151806), (7, 2701548), (9, 2101204), (12, 1575903), (14, 1350774), (18, 1050602), (21, 900516), (28, 675387), (36, 525301), (42, 450258), (63, 300172), (84, 225129), (101, 187236), (126, 150086), (202, 93618), (252, 75043), (303, 62412), (404, 46809), (606, 31206), (707, 26748), (743, 25452), (909, 20804), (1212, 15603), (1414, 13374), (1486, 12726), (1818, 10402), (2121, 8916), (2229, 8484), (2828, 6687), (2972, 6363), (3636, 5201), (4242, 4458)]