18650870820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5453471}}^1$

素因数の和:5453505

約数の個数: 72

約数和(自身を含む): 59551914240

約数和(自身を除く): 40901043420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5453471, 10906942, 16360413, 21813884, 27267355, 32720826, 49081239, 54534710, 65441652, 81802065, 98162478, 103615949, 109069420, 163604130, 196324956, 207231898, 245406195, 310847847, 327208260, 414463796, 490812390, 518079745, 621695694, 932543541, 981624780, 1036159490, 1243391388, 1554239235, 1865087082, 2072318980, 3108478470, 3730174164, 4662717705, 6216956940, 9325435410, 18650870820]

約数ペア:

[(1, 18650870820), (2, 9325435410), (3, 6216956940), (4, 4662717705), (5, 3730174164), (6, 3108478470), (9, 2072318980), (10, 1865087082), (12, 1554239235), (15, 1243391388), (18, 1036159490), (19, 981624780), (20, 932543541), (30, 621695694), (36, 518079745), (38, 490812390), (45, 414463796), (57, 327208260), (60, 310847847), (76, 245406195), (90, 207231898), (95, 196324956), (114, 163604130), (171, 109069420), (180, 103615949), (190, 98162478), (228, 81802065), (285, 65441652), (342, 54534710), (380, 49081239), (570, 32720826), (684, 27267355), (855, 21813884), (1140, 16360413), (1710, 10906942), (3420, 5453471)]