19994110084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{659}}^1\times {\mathrm{2153}}^1$

素因数の和:3100

約数の個数: 48

約数和(自身を含む): 37895235840

約数和(自身を除く): 17901125756

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 659, 1084, 1318, 2153, 2636, 3523, 4306, 7046, 8567, 8612, 14092, 17134, 27989, 34268, 55978, 111956, 178589, 357178, 583463, 714356, 1166926, 1418827, 2321657, 2333852, 2837654, 4643314, 5675308, 7585019, 9286628, 15170038, 18444751, 30340076, 36889502, 73779004, 384502117, 769004234, 1538008468, 4998527521, 9997055042, 19994110084]

約数ペア:

[(1, 19994110084), (2, 9997055042), (4, 4998527521), (13, 1538008468), (26, 769004234), (52, 384502117), (271, 73779004), (542, 36889502), (659, 30340076), (1084, 18444751), (1318, 15170038), (2153, 9286628), (2636, 7585019), (3523, 5675308), (4306, 4643314), (7046, 2837654), (8567, 2333852), (8612, 2321657), (14092, 1418827), (17134, 1166926), (27989, 714356), (34268, 583463), (55978, 357178), (111956, 178589)]