19156779850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{106397}}^1$

素因数の和:106699

約数の個数: 48

約数和(自身を含む): 38511394488

約数和(自身を除く): 19354614638

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 277, 325, 554, 650, 1385, 2770, 3601, 6925, 7202, 13850, 18005, 36010, 90025, 106397, 180050, 212794, 531985, 1063970, 1383161, 2659925, 2766322, 5319850, 6915805, 13831610, 29471969, 34579025, 58943938, 69158050, 147359845, 294719690, 383135597, 736799225, 766271194, 1473598450, 1915677985, 3831355970, 9578389925, 19156779850]

約数ペア:

[(1, 19156779850), (2, 9578389925), (5, 3831355970), (10, 1915677985), (13, 1473598450), (25, 766271194), (26, 736799225), (50, 383135597), (65, 294719690), (130, 147359845), (277, 69158050), (325, 58943938), (554, 34579025), (650, 29471969), (1385, 13831610), (2770, 6915805), (3601, 5319850), (6925, 2766322), (7202, 2659925), (13850, 1383161), (18005, 1063970), (36010, 531985), (90025, 212794), (106397, 180050)]