19719306

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 44108064

約数和(自身を除く): 24388758

約数列:

[1, 2, 3, 6, 9, 18, 67, 83, 134, 166, 197, 201, 249, 394, 402, 498, 591, 603, 747, 1182, 1206, 1494, 1773, 3546, 5561, 11122, 13199, 16351, 16683, 26398, 32702, 33366, 39597, 49053, 50049, 79194, 98106, 100098, 118791, 147159, 237582, 294318, 1095517, 2191034, 3286551, 6573102, 9859653, 19719306]

約数ペア:

[(1, 19719306), (2, 9859653), (3, 6573102), (6, 3286551), (9, 2191034), (18, 1095517), (67, 294318), (83, 237582), (134, 147159), (166, 118791), (197, 100098), (201, 98106), (249, 79194), (394, 50049), (402, 49053), (498, 39597), (591, 33366), (603, 32702), (747, 26398), (1182, 16683), (1206, 16351), (1494, 13199), (1773, 11122), (3546, 5561)]