19669140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4751}}^1$

素因数の和:4789

約数の個数: 72

約数和(自身を含む): 62270208

約数和(自身を除く): 42601068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4751, 9502, 14253, 19004, 23755, 28506, 42759, 47510, 57012, 71265, 85518, 95020, 109273, 142530, 171036, 213795, 218546, 285060, 327819, 427590, 437092, 546365, 655638, 855180, 983457, 1092730, 1311276, 1639095, 1966914, 2185460, 3278190, 3933828, 4917285, 6556380, 9834570, 19669140]

約数ペア:

[(1, 19669140), (2, 9834570), (3, 6556380), (4, 4917285), (5, 3933828), (6, 3278190), (9, 2185460), (10, 1966914), (12, 1639095), (15, 1311276), (18, 1092730), (20, 983457), (23, 855180), (30, 655638), (36, 546365), (45, 437092), (46, 427590), (60, 327819), (69, 285060), (90, 218546), (92, 213795), (115, 171036), (138, 142530), (180, 109273), (207, 95020), (230, 85518), (276, 71265), (345, 57012), (414, 47510), (460, 42759), (690, 28506), (828, 23755), (1035, 19004), (1380, 14253), (2070, 9502), (4140, 4751)]