19180815795

素因数分解:

$3^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{85027}}^1$

素因数の和:85601

約数の個数: 40

約数和(自身を含む): 34445523024

約数和(自身を除く): 15264707229

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 557, 1671, 2785, 5013, 8355, 15039, 25065, 45117, 75195, 85027, 225585, 255081, 425135, 765243, 1275405, 2295729, 3826215, 6887187, 11478645, 34435935, 47360039, 142080117, 236800195, 426240351, 710400585, 1278721053, 2131201755, 3836163159, 6393605265, 19180815795]

約数ペア:

[(1, 19180815795), (3, 6393605265), (5, 3836163159), (9, 2131201755), (15, 1278721053), (27, 710400585), (45, 426240351), (81, 236800195), (135, 142080117), (405, 47360039), (557, 34435935), (1671, 11478645), (2785, 6887187), (5013, 3826215), (8355, 2295729), (15039, 1275405), (25065, 765243), (45117, 425135), (75195, 255081), (85027, 225585)]