19103671340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1204519}}^1$

素因数の和:1204602

約数の個数: 48

約数和(自身を含む): 43911981120

約数和(自身を除く): 24808309780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 1204519, 2409038, 4818076, 6022595, 12045190, 15658747, 24090380, 31317494, 62634988, 73475659, 78293735, 146951318, 156587470, 293902636, 313174940, 367378295, 734756590, 955183567, 1469513180, 1910367134, 3820734268, 4775917835, 9551835670, 19103671340]

約数ペア:

[(1, 19103671340), (2, 9551835670), (4, 4775917835), (5, 3820734268), (10, 1910367134), (13, 1469513180), (20, 955183567), (26, 734756590), (52, 367378295), (61, 313174940), (65, 293902636), (122, 156587470), (130, 146951318), (244, 78293735), (260, 73475659), (305, 62634988), (610, 31317494), (793, 24090380), (1220, 15658747), (1586, 12045190), (3172, 6022595), (3965, 4818076), (7930, 2409038), (15860, 1204519)]