19157580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2729}}^1$

素因数の和:2760

約数の個数: 96

約数和(自身を含む): 64209600

約数和(自身を除く): 45052020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2729, 3510, 5458, 7020, 8187, 10916, 13645, 16374, 24561, 27290, 32748, 35477, 40935, 49122, 54580, 70954, 73683, 81870, 98244, 106431, 122805, 141908, 147366, 163740, 177385, 212862, 245610, 294732, 319293, 354770, 368415, 425724, 491220, 532155, 638586, 709540, 736830, 957879, 1064310, 1277172, 1473660, 1596465, 1915758, 2128620, 3192930, 3831516, 4789395, 6385860, 9578790, 19157580]

約数ペア:

[(1, 19157580), (2, 9578790), (3, 6385860), (4, 4789395), (5, 3831516), (6, 3192930), (9, 2128620), (10, 1915758), (12, 1596465), (13, 1473660), (15, 1277172), (18, 1064310), (20, 957879), (26, 736830), (27, 709540), (30, 638586), (36, 532155), (39, 491220), (45, 425724), (52, 368415), (54, 354770), (60, 319293), (65, 294732), (78, 245610), (90, 212862), (108, 177385), (117, 163740), (130, 147366), (135, 141908), (156, 122805), (180, 106431), (195, 98244), (234, 81870), (260, 73683), (270, 70954), (351, 54580), (390, 49122), (468, 40935), (540, 35477), (585, 32748), (702, 27290), (780, 24561), (1170, 16374), (1404, 13645), (1755, 10916), (2340, 8187), (2729, 7020), (3510, 5458)]