19835816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2477}}^1$

素因数の和:2514

約数の個数: 64

約数和(自身を含む): 49956480

約数和(自身を除く): 30120664

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2477, 4004, 4954, 8008, 9908, 17339, 19816, 27247, 32201, 34678, 54494, 64402, 69356, 108988, 128804, 138712, 190729, 217976, 225407, 257608, 354211, 381458, 450814, 708422, 762916, 901628, 1416844, 1525832, 1803256, 2479477, 2833688, 4958954, 9917908, 19835816]

約数ペア:

[(1, 19835816), (2, 9917908), (4, 4958954), (7, 2833688), (8, 2479477), (11, 1803256), (13, 1525832), (14, 1416844), (22, 901628), (26, 762916), (28, 708422), (44, 450814), (52, 381458), (56, 354211), (77, 257608), (88, 225407), (91, 217976), (104, 190729), (143, 138712), (154, 128804), (182, 108988), (286, 69356), (308, 64402), (364, 54494), (572, 34678), (616, 32201), (728, 27247), (1001, 19816), (1144, 17339), (2002, 9908), (2477, 8008), (4004, 4954)]