19950996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7523}}^1$

素因数の和:7560

約数の個数: 48

約数和(自身を含む): 53089344

約数和(自身を除く): 33138348

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7523, 15046, 22569, 30092, 45138, 90276, 97799, 127891, 195598, 255782, 293397, 383673, 391196, 511564, 586794, 767346, 1173588, 1534692, 1662583, 3325166, 4987749, 6650332, 9975498, 19950996]

約数ペア:

[(1, 19950996), (2, 9975498), (3, 6650332), (4, 4987749), (6, 3325166), (12, 1662583), (13, 1534692), (17, 1173588), (26, 767346), (34, 586794), (39, 511564), (51, 391196), (52, 383673), (68, 293397), (78, 255782), (102, 195598), (156, 127891), (204, 97799), (221, 90276), (442, 45138), (663, 30092), (884, 22569), (1326, 15046), (2652, 7523)]