19314974320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{74357}}^1$

素因数の和:74578

約数の個数: 80

約数和(自身を含む): 47798512128

約数和(自身を除く): 28483537808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 191, 272, 340, 382, 680, 764, 955, 1360, 1528, 1910, 3056, 3247, 3820, 6494, 7640, 12988, 15280, 16235, 25976, 32470, 51952, 64940, 74357, 129880, 148714, 259760, 297428, 371785, 594856, 743570, 1189712, 1264069, 1487140, 2528138, 2974280, 5056276, 5948560, 6320345, 10112552, 12640690, 14202187, 20225104, 25281380, 28404374, 50562760, 56808748, 71010935, 101125520, 113617496, 142021870, 227234992, 241437179, 284043740, 482874358, 568087480, 965748716, 1136174960, 1207185895, 1931497432, 2414371790, 3862994864, 4828743580, 9657487160, 19314974320]

約数ペア:

[(1, 19314974320), (2, 9657487160), (4, 4828743580), (5, 3862994864), (8, 2414371790), (10, 1931497432), (16, 1207185895), (17, 1136174960), (20, 965748716), (34, 568087480), (40, 482874358), (68, 284043740), (80, 241437179), (85, 227234992), (136, 142021870), (170, 113617496), (191, 101125520), (272, 71010935), (340, 56808748), (382, 50562760), (680, 28404374), (764, 25281380), (955, 20225104), (1360, 14202187), (1528, 12640690), (1910, 10112552), (3056, 6320345), (3247, 5948560), (3820, 5056276), (6494, 2974280), (7640, 2528138), (12988, 1487140), (15280, 1264069), (16235, 1189712), (25976, 743570), (32470, 594856), (51952, 371785), (64940, 297428), (74357, 259760), (129880, 148714)]