19403661316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{1999}}^1$

素因数の和:2285

約数の個数: 72

約数和(自身を含む): 37446192000

約数和(自身を除く): 18042530684

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 169, 173, 332, 338, 346, 676, 692, 1079, 1999, 2158, 2249, 3998, 4316, 4498, 7996, 8996, 14027, 14359, 25987, 28054, 28718, 29237, 51974, 56108, 57436, 58474, 103948, 116948, 165917, 186667, 331834, 337831, 345827, 373334, 663668, 675662, 691654, 746668, 1351324, 1383308, 2156921, 2426671, 4313842, 4495751, 4853342, 8627684, 8991502, 9706684, 17983004, 28039973, 28703641, 56079946, 57407282, 58444763, 112159892, 114814564, 116889526, 233779052, 373147333, 746294666, 1492589332, 4850915329, 9701830658, 19403661316]

約数ペア:

[(1, 19403661316), (2, 9701830658), (4, 4850915329), (13, 1492589332), (26, 746294666), (52, 373147333), (83, 233779052), (166, 116889526), (169, 114814564), (173, 112159892), (332, 58444763), (338, 57407282), (346, 56079946), (676, 28703641), (692, 28039973), (1079, 17983004), (1999, 9706684), (2158, 8991502), (2249, 8627684), (3998, 4853342), (4316, 4495751), (4498, 4313842), (7996, 2426671), (8996, 2156921), (14027, 1383308), (14359, 1351324), (25987, 746668), (28054, 691654), (28718, 675662), (29237, 663668), (51974, 373334), (56108, 345827), (57436, 337831), (58474, 331834), (103948, 186667), (116948, 165917)]