19915068

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 27966948

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 173, 181, 212, 318, 346, 362, 519, 543, 636, 692, 724, 1038, 1086, 2076, 2172, 9169, 9593, 18338, 19186, 27507, 28779, 31313, 36676, 38372, 55014, 57558, 62626, 93939, 110028, 115116, 125252, 187878, 375756, 1659589, 3319178, 4978767, 6638356, 9957534, 19915068]

約数ペア:

[(1, 19915068), (2, 9957534), (3, 6638356), (4, 4978767), (6, 3319178), (12, 1659589), (53, 375756), (106, 187878), (159, 125252), (173, 115116), (181, 110028), (212, 93939), (318, 62626), (346, 57558), (362, 55014), (519, 38372), (543, 36676), (636, 31313), (692, 28779), (724, 27507), (1038, 19186), (1086, 18338), (2076, 9593), (2172, 9169)]