19436940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1301}}^1$

素因数の和:1399

約数の個数: 72

約数和(自身を含む): 59714928

約数和(自身を除く): 40277988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1301, 1494, 1660, 2490, 2602, 2988, 3735, 3903, 4980, 5204, 6505, 7470, 7806, 11709, 13010, 14940, 15612, 19515, 23418, 26020, 39030, 46836, 58545, 78060, 107983, 117090, 215966, 234180, 323949, 431932, 539915, 647898, 971847, 1079830, 1295796, 1619745, 1943694, 2159660, 3239490, 3887388, 4859235, 6478980, 9718470, 19436940]

約数ペア:

[(1, 19436940), (2, 9718470), (3, 6478980), (4, 4859235), (5, 3887388), (6, 3239490), (9, 2159660), (10, 1943694), (12, 1619745), (15, 1295796), (18, 1079830), (20, 971847), (30, 647898), (36, 539915), (45, 431932), (60, 323949), (83, 234180), (90, 215966), (166, 117090), (180, 107983), (249, 78060), (332, 58545), (415, 46836), (498, 39030), (747, 26020), (830, 23418), (996, 19515), (1245, 15612), (1301, 14940), (1494, 13010), (1660, 11709), (2490, 7806), (2602, 7470), (2988, 6505), (3735, 5204), (3903, 4980)]