19894693065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{6793}}^1$

素因数の和:7490

約数の個数: 64

約数和(自身を含む): 35830577664

約数和(自身を除く): 15935884599

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 653, 897, 1495, 1959, 3265, 4485, 6793, 8489, 9795, 15019, 20379, 25467, 33965, 42445, 45057, 75095, 88309, 101895, 127335, 156239, 195247, 225285, 264927, 441545, 468717, 585741, 781195, 976235, 1324635, 2031107, 2343585, 2928705, 4435829, 6093321, 10155535, 13307487, 22179145, 30466605, 57665777, 66537435, 102024067, 172997331, 288328885, 306072201, 510120335, 864986655, 1326312871, 1530361005, 3978938613, 6631564355, 19894693065]

約数ペア:

[(1, 19894693065), (3, 6631564355), (5, 3978938613), (13, 1530361005), (15, 1326312871), (23, 864986655), (39, 510120335), (65, 306072201), (69, 288328885), (115, 172997331), (195, 102024067), (299, 66537435), (345, 57665777), (653, 30466605), (897, 22179145), (1495, 13307487), (1959, 10155535), (3265, 6093321), (4485, 4435829), (6793, 2928705), (8489, 2343585), (9795, 2031107), (15019, 1324635), (20379, 976235), (25467, 781195), (33965, 585741), (42445, 468717), (45057, 441545), (75095, 264927), (88309, 225285), (101895, 195247), (127335, 156239)]