19763325

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 40473600

約数和(自身を除く): 20710275

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 27, 45, 57, 67, 69, 75, 95, 115, 135, 171, 201, 207, 225, 285, 335, 345, 437, 475, 513, 575, 603, 621, 675, 855, 1005, 1035, 1273, 1311, 1425, 1541, 1675, 1725, 1809, 2185, 2565, 3015, 3105, 3819, 3933, 4275, 4623, 5025, 5175, 6365, 6555, 7705, 9045, 10925, 11457, 11799, 12825, 13869, 15075, 15525, 19095, 19665, 23115, 29279, 31825, 32775, 34371, 38525, 41607, 45225, 57285, 58995, 69345, 87837, 95475, 98325, 115575, 146395, 171855, 208035, 263511, 286425, 294975, 346725, 439185, 731975, 790533, 859275, 1040175, 1317555, 2195925, 3952665, 6587775, 19763325]

約数ペア:

[(1, 19763325), (3, 6587775), (5, 3952665), (9, 2195925), (15, 1317555), (19, 1040175), (23, 859275), (25, 790533), (27, 731975), (45, 439185), (57, 346725), (67, 294975), (69, 286425), (75, 263511), (95, 208035), (115, 171855), (135, 146395), (171, 115575), (201, 98325), (207, 95475), (225, 87837), (285, 69345), (335, 58995), (345, 57285), (437, 45225), (475, 41607), (513, 38525), (575, 34371), (603, 32775), (621, 31825), (675, 29279), (855, 23115), (1005, 19665), (1035, 19095), (1273, 15525), (1311, 15075), (1425, 13869), (1541, 12825), (1675, 11799), (1725, 11457), (1809, 10925), (2185, 9045), (2565, 7705), (3015, 6555), (3105, 6365), (3819, 5175), (3933, 5025), (4275, 4623)]