19550340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6389}}^1$

素因数の和:6421

約数の個数: 72

約数和(自身を含む): 62800920

約数和(自身を除く): 43250580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6389, 12778, 19167, 25556, 31945, 38334, 57501, 63890, 76668, 95835, 108613, 115002, 127780, 191670, 217226, 230004, 287505, 325839, 383340, 434452, 543065, 575010, 651678, 977517, 1086130, 1150020, 1303356, 1629195, 1955034, 2172260, 3258390, 3910068, 4887585, 6516780, 9775170, 19550340]

約数ペア:

[(1, 19550340), (2, 9775170), (3, 6516780), (4, 4887585), (5, 3910068), (6, 3258390), (9, 2172260), (10, 1955034), (12, 1629195), (15, 1303356), (17, 1150020), (18, 1086130), (20, 977517), (30, 651678), (34, 575010), (36, 543065), (45, 434452), (51, 383340), (60, 325839), (68, 287505), (85, 230004), (90, 217226), (102, 191670), (153, 127780), (170, 115002), (180, 108613), (204, 95835), (255, 76668), (306, 63890), (340, 57501), (510, 38334), (612, 31945), (765, 25556), (1020, 19167), (1530, 12778), (3060, 6389)]