19218153087

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{12097}}^1$

素因数の和:12428

約数の個数: 48

約数和(自身を含む): 32129190912

約数和(自身を除く): 12911037825

約数列:

[1, 3, 7, 9, 21, 63, 151, 167, 453, 501, 1057, 1169, 1359, 1503, 3171, 3507, 9513, 10521, 12097, 25217, 36291, 75651, 84679, 108873, 176519, 226953, 254037, 529557, 762111, 1588671, 1826647, 2020199, 5479941, 6060597, 12786529, 14141393, 16439823, 18181791, 38359587, 42424179, 115078761, 127272537, 305050049, 915150147, 2135350343, 2745450441, 6406051029, 19218153087]

約数ペア:

[(1, 19218153087), (3, 6406051029), (7, 2745450441), (9, 2135350343), (21, 915150147), (63, 305050049), (151, 127272537), (167, 115078761), (453, 42424179), (501, 38359587), (1057, 18181791), (1169, 16439823), (1359, 14141393), (1503, 12786529), (3171, 6060597), (3507, 5479941), (9513, 2020199), (10521, 1826647), (12097, 1588671), (25217, 762111), (36291, 529557), (75651, 254037), (84679, 226953), (108873, 176519)]