19863132770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{1051}}^1$

素因数の和:1348

約数の個数: 96

約数和(自身を含む): 39670617024

約数和(自身を除く): 19807484254

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 211, 265, 338, 422, 530, 689, 845, 1051, 1055, 1378, 1690, 2102, 2110, 2743, 3445, 5255, 5486, 6890, 8957, 10510, 11183, 13663, 13715, 17914, 22366, 27326, 27430, 35659, 44785, 55703, 55915, 68315, 71318, 89570, 111406, 111830, 136630, 145379, 177619, 178295, 221761, 278515, 290758, 355238, 356590, 443522, 557030, 724139, 726895, 888095, 1108805, 1448278, 1453790, 1776190, 1889927, 2217610, 2882893, 3620695, 3779854, 5765786, 7241390, 9413807, 9449635, 11753333, 14414465, 18827614, 18899270, 23506666, 28828930, 37477609, 47069035, 58766665, 74955218, 94138070, 117533330, 152793329, 187388045, 305586658, 374776090, 763966645, 1527933290, 1986313277, 3972626554, 9931566385, 19863132770]

約数ペア:

[(1, 19863132770), (2, 9931566385), (5, 3972626554), (10, 1986313277), (13, 1527933290), (26, 763966645), (53, 374776090), (65, 305586658), (106, 187388045), (130, 152793329), (169, 117533330), (211, 94138070), (265, 74955218), (338, 58766665), (422, 47069035), (530, 37477609), (689, 28828930), (845, 23506666), (1051, 18899270), (1055, 18827614), (1378, 14414465), (1690, 11753333), (2102, 9449635), (2110, 9413807), (2743, 7241390), (3445, 5765786), (5255, 3779854), (5486, 3620695), (6890, 2882893), (8957, 2217610), (10510, 1889927), (11183, 1776190), (13663, 1453790), (13715, 1448278), (17914, 1108805), (22366, 888095), (27326, 726895), (27430, 724139), (35659, 557030), (44785, 443522), (55703, 356590), (55915, 355238), (68315, 290758), (71318, 278515), (89570, 221761), (111406, 178295), (111830, 177619), (136630, 145379)]