17846920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4903}}^1$

素因数の和:4934

約数の個数: 64

約数和(自身を含む): 49432320

約数和(自身を除く): 31585400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 4903, 9806, 19612, 24515, 34321, 39224, 49030, 63739, 68642, 98060, 127478, 137284, 171605, 196120, 254956, 274568, 318695, 343210, 446173, 509912, 637390, 686420, 892346, 1274780, 1372840, 1784692, 2230865, 2549560, 3569384, 4461730, 8923460, 17846920]

約数ペア:

[(1, 17846920), (2, 8923460), (4, 4461730), (5, 3569384), (7, 2549560), (8, 2230865), (10, 1784692), (13, 1372840), (14, 1274780), (20, 892346), (26, 686420), (28, 637390), (35, 509912), (40, 446173), (52, 343210), (56, 318695), (65, 274568), (70, 254956), (91, 196120), (104, 171605), (130, 137284), (140, 127478), (182, 98060), (260, 68642), (280, 63739), (364, 49030), (455, 39224), (520, 34321), (728, 24515), (910, 19612), (1820, 9806), (3640, 4903)]