19479156940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1\times {\mathrm{14633}}^1$

素因数の和:15402

約数の個数: 48

約数和(自身を含む): 41376756960

約数和(自身を除く): 21897600020

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 659, 1010, 1318, 2020, 2636, 3295, 6590, 13180, 14633, 29266, 58532, 66559, 73165, 133118, 146330, 266236, 292660, 332795, 665590, 1331180, 1477933, 2955866, 5911732, 7389665, 9643147, 14779330, 19286294, 29558660, 38572588, 48215735, 96431470, 192862940, 973957847, 1947915694, 3895831388, 4869789235, 9739578470, 19479156940]

約数ペア:

[(1, 19479156940), (2, 9739578470), (4, 4869789235), (5, 3895831388), (10, 1947915694), (20, 973957847), (101, 192862940), (202, 96431470), (404, 48215735), (505, 38572588), (659, 29558660), (1010, 19286294), (1318, 14779330), (2020, 9643147), (2636, 7389665), (3295, 5911732), (6590, 2955866), (13180, 1477933), (14633, 1331180), (29266, 665590), (58532, 332795), (66559, 292660), (73165, 266236), (133118, 146330)]