18669196

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 43436736

約数和(自身を除く): 24767540

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 431, 442, 476, 637, 833, 862, 884, 1274, 1547, 1666, 1724, 2548, 3017, 3094, 3332, 5603, 6034, 6188, 7327, 10829, 11206, 12068, 14654, 21119, 21658, 22412, 29308, 39221, 42238, 43316, 51289, 78442, 84476, 95251, 102578, 156884, 190502, 205156, 274547, 359023, 381004, 549094, 666757, 718046, 1098188, 1333514, 1436092, 2667028, 4667299, 9334598, 18669196]

約数ペア:

[(1, 18669196), (2, 9334598), (4, 4667299), (7, 2667028), (13, 1436092), (14, 1333514), (17, 1098188), (26, 718046), (28, 666757), (34, 549094), (49, 381004), (52, 359023), (68, 274547), (91, 205156), (98, 190502), (119, 156884), (182, 102578), (196, 95251), (221, 84476), (238, 78442), (364, 51289), (431, 43316), (442, 42238), (476, 39221), (637, 29308), (833, 22412), (862, 21658), (884, 21119), (1274, 14654), (1547, 12068), (1666, 11206), (1724, 10829), (2548, 7327), (3017, 6188), (3094, 6034), (3332, 5603)]