2019660741

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{18671}}^1$

素因数の和:18802

約数の個数: 48

約数和(自身を含む): 3565306368

約数和(自身を除く): 1545645627

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 101, 119, 153, 303, 357, 707, 909, 1071, 1717, 2121, 5151, 6363, 12019, 15453, 18671, 36057, 56013, 108171, 130697, 168039, 317407, 392091, 952221, 1176273, 1885771, 2221849, 2856663, 5657313, 6665547, 13200397, 16971939, 19996641, 32058107, 39601191, 96174321, 118803573, 224406749, 288522963, 673220247, 2019660741]

約数ペア:

[(1, 2019660741), (3, 673220247), (7, 288522963), (9, 224406749), (17, 118803573), (21, 96174321), (51, 39601191), (63, 32058107), (101, 19996641), (119, 16971939), (153, 13200397), (303, 6665547), (357, 5657313), (707, 2856663), (909, 2221849), (1071, 1885771), (1717, 1176273), (2121, 952221), (5151, 392091), (6363, 317407), (12019, 168039), (15453, 130697), (18671, 108171), (36057, 56013)]