19725678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9209}}^1$

素因数の和:9241

約数の個数: 48

約数和(自身を含む): 51723360

約数和(自身を除く): 31997682

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9209, 18418, 27627, 55254, 64463, 82881, 128926, 156553, 165762, 193389, 313106, 386778, 469659, 580167, 939318, 1095871, 1160334, 1408977, 2191742, 2817954, 3287613, 6575226, 9862839, 19725678]

約数ペア:

[(1, 19725678), (2, 9862839), (3, 6575226), (6, 3287613), (7, 2817954), (9, 2191742), (14, 1408977), (17, 1160334), (18, 1095871), (21, 939318), (34, 580167), (42, 469659), (51, 386778), (63, 313106), (102, 193389), (119, 165762), (126, 156553), (153, 128926), (238, 82881), (306, 64463), (357, 55254), (714, 27627), (1071, 18418), (2142, 9209)]