19527320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 45800640

約数和(自身を除く): 26273320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 151, 212, 244, 265, 302, 305, 424, 488, 530, 604, 610, 755, 1060, 1208, 1220, 1510, 2120, 2440, 3020, 3233, 6040, 6466, 8003, 9211, 12932, 16006, 16165, 18422, 25864, 32012, 32330, 36844, 40015, 46055, 64024, 64660, 73688, 80030, 92110, 129320, 160060, 184220, 320120, 368440, 488183, 976366, 1952732, 2440915, 3905464, 4881830, 9763660, 19527320]

約数ペア:

[(1, 19527320), (2, 9763660), (4, 4881830), (5, 3905464), (8, 2440915), (10, 1952732), (20, 976366), (40, 488183), (53, 368440), (61, 320120), (106, 184220), (122, 160060), (151, 129320), (212, 92110), (244, 80030), (265, 73688), (302, 64660), (305, 64024), (424, 46055), (488, 40015), (530, 36844), (604, 32330), (610, 32012), (755, 25864), (1060, 18422), (1208, 16165), (1220, 16006), (1510, 12932), (2120, 9211), (2440, 8003), (3020, 6466), (3233, 6040)]