19660550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 46872000

約数和(自身を除く): 27211450

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 29, 35, 50, 58, 65, 70, 91, 130, 145, 149, 175, 182, 203, 290, 298, 325, 350, 377, 406, 455, 650, 725, 745, 754, 910, 1015, 1043, 1450, 1490, 1885, 1937, 2030, 2086, 2275, 2639, 3725, 3770, 3874, 4321, 4550, 5075, 5215, 5278, 7450, 8642, 9425, 9685, 10150, 10430, 13195, 13559, 18850, 19370, 21605, 26075, 26390, 27118, 30247, 43210, 48425, 52150, 56173, 60494, 65975, 67795, 96850, 108025, 112346, 131950, 135590, 151235, 216050, 280865, 302470, 338975, 393211, 561730, 677950, 756175, 786422, 1404325, 1512350, 1966055, 2808650, 3932110, 9830275, 19660550]

約数ペア:

[(1, 19660550), (2, 9830275), (5, 3932110), (7, 2808650), (10, 1966055), (13, 1512350), (14, 1404325), (25, 786422), (26, 756175), (29, 677950), (35, 561730), (50, 393211), (58, 338975), (65, 302470), (70, 280865), (91, 216050), (130, 151235), (145, 135590), (149, 131950), (175, 112346), (182, 108025), (203, 96850), (290, 67795), (298, 65975), (325, 60494), (350, 56173), (377, 52150), (406, 48425), (455, 43210), (650, 30247), (725, 27118), (745, 26390), (754, 26075), (910, 21605), (1015, 19370), (1043, 18850), (1450, 13559), (1490, 13195), (1885, 10430), (1937, 10150), (2030, 9685), (2086, 9425), (2275, 8642), (2639, 7450), (3725, 5278), (3770, 5215), (3874, 5075), (4321, 4550)]