19625895

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 36560160

約数和(自身を除く): 16934265

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 557, 783, 1215, 1305, 1671, 2349, 2785, 3915, 5013, 7047, 8355, 11745, 15039, 16153, 25065, 35235, 45117, 48459, 75195, 80765, 135351, 145377, 225585, 242295, 436131, 676755, 726885, 1308393, 2180655, 3925179, 6541965, 19625895]

約数ペア:

[(1, 19625895), (3, 6541965), (5, 3925179), (9, 2180655), (15, 1308393), (27, 726885), (29, 676755), (45, 436131), (81, 242295), (87, 225585), (135, 145377), (145, 135351), (243, 80765), (261, 75195), (405, 48459), (435, 45117), (557, 35235), (783, 25065), (1215, 16153), (1305, 15039), (1671, 11745), (2349, 8355), (2785, 7047), (3915, 5013)]