19260490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 20397110

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 67, 85, 89, 95, 134, 170, 178, 190, 323, 335, 445, 646, 670, 890, 1139, 1273, 1513, 1615, 1691, 2278, 2546, 3026, 3230, 3382, 5695, 5963, 6365, 7565, 8455, 11390, 11926, 12730, 15130, 16910, 21641, 28747, 29815, 43282, 57494, 59630, 101371, 108205, 113297, 143735, 202742, 216410, 226594, 287470, 506855, 566485, 1013710, 1132970, 1926049, 3852098, 9630245, 19260490]

約数ペア:

[(1, 19260490), (2, 9630245), (5, 3852098), (10, 1926049), (17, 1132970), (19, 1013710), (34, 566485), (38, 506855), (67, 287470), (85, 226594), (89, 216410), (95, 202742), (134, 143735), (170, 113297), (178, 108205), (190, 101371), (323, 59630), (335, 57494), (445, 43282), (646, 29815), (670, 28747), (890, 21641), (1139, 16910), (1273, 15130), (1513, 12730), (1615, 11926), (1691, 11390), (2278, 8455), (2546, 7565), (3026, 6365), (3230, 5963), (3382, 5695)]