19962450

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 58496256

約数和(自身を除く): 38533806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 53, 54, 62, 75, 81, 90, 93, 106, 135, 150, 155, 159, 162, 186, 225, 243, 265, 270, 279, 310, 318, 405, 450, 465, 477, 486, 530, 558, 675, 775, 795, 810, 837, 930, 954, 1215, 1325, 1350, 1395, 1431, 1550, 1590, 1643, 1674, 2025, 2325, 2385, 2430, 2511, 2650, 2790, 2862, 3286, 3975, 4050, 4185, 4293, 4650, 4770, 4929, 5022, 6075, 6975, 7155, 7533, 7950, 8215, 8370, 8586, 9858, 11925, 12150, 12555, 12879, 13950, 14310, 14787, 15066, 16430, 20925, 21465, 23850, 24645, 25110, 25758, 29574, 35775, 37665, 41075, 41850, 42930, 44361, 49290, 62775, 64395, 71550, 73935, 75330, 82150, 88722, 107325, 123225, 125550, 128790, 133083, 147870, 188325, 214650, 221805, 246450, 266166, 321975, 369675, 376650, 399249, 443610, 643950, 665415, 739350, 798498, 1109025, 1330830, 1996245, 2218050, 3327075, 3992490, 6654150, 9981225, 19962450]

約数ペア:

[(1, 19962450), (2, 9981225), (3, 6654150), (5, 3992490), (6, 3327075), (9, 2218050), (10, 1996245), (15, 1330830), (18, 1109025), (25, 798498), (27, 739350), (30, 665415), (31, 643950), (45, 443610), (50, 399249), (53, 376650), (54, 369675), (62, 321975), (75, 266166), (81, 246450), (90, 221805), (93, 214650), (106, 188325), (135, 147870), (150, 133083), (155, 128790), (159, 125550), (162, 123225), (186, 107325), (225, 88722), (243, 82150), (265, 75330), (270, 73935), (279, 71550), (310, 64395), (318, 62775), (405, 49290), (450, 44361), (465, 42930), (477, 41850), (486, 41075), (530, 37665), (558, 35775), (675, 29574), (775, 25758), (795, 25110), (810, 24645), (837, 23850), (930, 21465), (954, 20925), (1215, 16430), (1325, 15066), (1350, 14787), (1395, 14310), (1431, 13950), (1550, 12879), (1590, 12555), (1643, 12150), (1674, 11925), (2025, 9858), (2325, 8586), (2385, 8370), (2430, 8215), (2511, 7950), (2650, 7533), (2790, 7155), (2862, 6975), (3286, 6075), (3975, 5022), (4050, 4929), (4185, 4770), (4293, 4650)]