17903890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 37635840

約数和(自身を除く): 19731950

約数列:

[1, 2, 5, 10, 17, 19, 23, 34, 38, 46, 85, 95, 115, 170, 190, 230, 241, 323, 391, 437, 482, 646, 782, 874, 1205, 1615, 1955, 2185, 2410, 3230, 3910, 4097, 4370, 4579, 5543, 7429, 8194, 9158, 11086, 14858, 20485, 22895, 27715, 37145, 40970, 45790, 55430, 74290, 77843, 94231, 105317, 155686, 188462, 210634, 389215, 471155, 526585, 778430, 942310, 1053170, 1790389, 3580778, 8951945, 17903890]

約数ペア:

[(1, 17903890), (2, 8951945), (5, 3580778), (10, 1790389), (17, 1053170), (19, 942310), (23, 778430), (34, 526585), (38, 471155), (46, 389215), (85, 210634), (95, 188462), (115, 155686), (170, 105317), (190, 94231), (230, 77843), (241, 74290), (323, 55430), (391, 45790), (437, 40970), (482, 37145), (646, 27715), (782, 22895), (874, 20485), (1205, 14858), (1615, 11086), (1955, 9158), (2185, 8194), (2410, 7429), (3230, 5543), (3910, 4579), (4097, 4370)]