18993927120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11305909}}^1$

素因数の和:11305932

約数の個数: 80

約数和(自身を含む): 67292776320

約数和(自身を除く): 48298849200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11305909, 22611818, 33917727, 45223636, 56529545, 67835454, 79141363, 90447272, 113059090, 135670908, 158282726, 169588635, 180894544, 226118180, 237424089, 271341816, 316565452, 339177270, 395706815, 452236360, 474848178, 542683632, 633130904, 678354540, 791413630, 904472720, 949696356, 1187120445, 1266261808, 1356709080, 1582827260, 1899392712, 2374240890, 2713418160, 3165654520, 3798785424, 4748481780, 6331309040, 9496963560, 18993927120]

約数ペア:

[(1, 18993927120), (2, 9496963560), (3, 6331309040), (4, 4748481780), (5, 3798785424), (6, 3165654520), (7, 2713418160), (8, 2374240890), (10, 1899392712), (12, 1582827260), (14, 1356709080), (15, 1266261808), (16, 1187120445), (20, 949696356), (21, 904472720), (24, 791413630), (28, 678354540), (30, 633130904), (35, 542683632), (40, 474848178), (42, 452236360), (48, 395706815), (56, 339177270), (60, 316565452), (70, 271341816), (80, 237424089), (84, 226118180), (105, 180894544), (112, 169588635), (120, 158282726), (140, 135670908), (168, 113059090), (210, 90447272), (240, 79141363), (280, 67835454), (336, 56529545), (420, 45223636), (560, 33917727), (840, 22611818), (1680, 11305909)]